Air at the Rijeka-2 station
Rijeka, Croatia
Network: Državna mreža za trajno praćenje kvalitete zraka · Station code: HR0005A
This year, up to yesterday (October 7)
47 days
with an 8-hour average of ozone (O₃) above the target value of 120 µg/m³.
The target value allows 25 such days a year, averaged over three years.
Worst day: August 15, 2026, O₃ 155 µg/m³ as a daily average, 1.3 times the limit.
Daily average for 268 of 280 days · data for 2026 not yet finally verified · Yardstick: EU limits (Directive 2008/50/EC)
Moderate
Air now · Measured at 22:00
Latest values
Latest value: Wed 22:00
| Pollutant | Value | Level |
|---|---|---|
| PM10 | 18.6 µg/m³ | Fair |
| NO₂ | 8.7 µg/m³ | Good |
| O₃ | 107.8 µg/m³ | Moderate |
| SO₂ | 24.9 µg/m³ | Fair |
How the air is changing
Over the last seven days there was more PM10, NO₂, O₃, and SO₂ in the air than the week before.
- PM10: average 20 µg/m³, week before 14.9 µg/m³
- PM2.5: average 8.3 µg/m³, week before 7.7 µg/m³
- NO₂: average 13.2 µg/m³, week before 11.6 µg/m³
- O₃: average 99.7 µg/m³, week before 88.5 µg/m³
- SO₂: average 7.5 µg/m³, week before 4.7 µg/m³
Last month there was more SO₂ and less PM10, PM2.5, NO₂, and O₃ in the air than the month before.
- PM10: average 10.9 µg/m³, month before 20.1 µg/m³
- PM2.5: average 4.5 µg/m³, month before 9.7 µg/m³
- NO₂: average 10.2 µg/m³, month before 11.9 µg/m³
- O₃: average 87.6 µg/m³, month before 111 µg/m³
- SO₂: average 5.6 µg/m³, month before 4.5 µg/m³
Show
Particulate matter PM10
18.6
Nowµg/m³
Measured at 22:00
19.2
Last 24 hoursµg/m³
measured in 83 % of hours · provisional
20
Last 7 daysµg/m³
measured in 98 % of hours · provisional
13
Last 30 daysµg/m³
measured in 98 % of hours · provisional
too few readings
Last 12 months
measured in 82 % of hours · 2 months with too few readings · provisional
Days in 2023: PM10, daily average above 50 µg/m³
2 days above the limit. 1 day without any reading from the station.
- above the limit
- below the limit
- too few readings for the day
- no PM10 data in the EEA database
- no data from the station
Days above the limit with values (2)
- Feb 2 66
- Feb 18 57
Values in µg/m³, limit 50 µg/m³.
Months of 2023
| Month | Days above 50 | Highest day | No readings |
|---|---|---|---|
| January | 0 | 47 | 0 |
| February | 2 above the number allowed | 66 | 0 |
| March | 0 | 20 | 0 |
| April | 0 | 19 | 0 |
| May | 0 | 20 | 0 |
| June | 0 | 30 | 0 |
| July | 0 | 26 | 0 |
| August | 0 | 22 | 0 |
| September | 0 | 25 | 0 |
| October | 0 | 32 | 0 |
| November | 0 | 15 | 1 |
| December | 0 | 29 | 0 |
Values in µg/m³. ■ marks a month with at least one day above the limit; the number allowed applies to the whole year. “No readings”: days on which not a single reading came from the station.
Values as a table
| Hour to | µg/m³ | Note |
|---|---|---|
| Wednesday, 10/7 | ||
| 00:00 | 15 | model estimate, not counted |
| 23:00 | 16 | model estimate, not counted |
| 22:00 | 17 | model estimate, not counted |
| 21:00 | 21.1 | |
| 20:00 | 21 | |
| 19:00 | 20.8 | |
| 18:00 | 18.8 | |
| 17:00 | 17.4 | |
| 16:00 | 16.4 | |
| 15:00 | 15.4 | |
| 14:00 | 16.5 | |
| 13:00 | 16.6 | |
| 12:00 | 17.7 | |
| 11:00 | 27.8 | |
| 10:00 | 30.4 | |
| 09:00 | 22.7 | |
| 08:00 | 18.5 | |
| 07:00 | 16.8 | |
| 06:00 | 16.2 | |
| 05:00 | 17 | |
| 04:00 | 16.9 | |
| 03:00 | 18.1 | |
| 02:00 | 18.3 | |
| 01:00 | 19.4 | |
| Tuesday, 10/6 | ||
| 00:00 | 22.4 | |
| 23:00 | 21.5 | |
| 22:00 | 24.8 | |
| 21:00 | 33.4 | |
| 20:00 | 31.1 | |
| 19:00 | 27.5 | |
| 18:00 | 23.5 | |
| 17:00 | 28.8 | |
| 16:00 | 30.8 | |
| 15:00 | 24.9 | |
| 14:00 | 24.5 | |
| 13:00 | 30 | |
| 12:00 | 34.5 | |
| 11:00 | 28 | |
| 10:00 | 30.2 | |
| 09:00 | 25.4 | |
| 08:00 | 18.5 | |
| 07:00 | 16.1 | |
| 06:00 | 15.3 | |
| 05:00 | 13 | |
| 04:00 | 12.5 | |
| 03:00 | 15.7 | |
| 02:00 | 16.1 | |
| 01:00 | 16.3 | |
| Monday, 10/5 | ||
| 00:00 | 18.5 | |
| 23:00 | 21 | |
| 22:00 | 19.1 | |
| 21:00 | 20.7 | |
| 20:00 | 24.6 | |
| 19:00 | 19.2 | |
| 18:00 | 17.9 | |
| 17:00 | 15.1 | |
| 16:00 | 12.5 | |
| 15:00 | 18.5 | |
| 14:00 | 23.6 | |
| 13:00 | 25.9 | |
| 12:00 | 30.6 | |
| 11:00 | 45.2 | |
| 10:00 | 32 | |
| 09:00 | 20.3 | |
| 08:00 | 16 | |
| 07:00 | 12.8 | |
| 06:00 | 12.6 | |
| 05:00 | 13.5 | |
| 04:00 | 15.6 | |
| 03:00 | 16.8 | |
| 02:00 | 17.3 | |
| 01:00 | 16.4 | |
| Sunday, 10/4 | ||
| 00:00 | 16.6 | |
| 23:00 | 17.1 | |
| 22:00 | 16.1 | |
| 21:00 | 18.8 | |
| 20:00 | 19.8 | |
| 19:00 | 19.9 | |
| 18:00 | 18.1 | |
| 17:00 | 14.9 | |
| 16:00 | 14.9 | |
| 15:00 | 14.7 | |
| 14:00 | 14.8 | |
| 13:00 | 16.2 | |
| 12:00 | 28.8 | |
| 11:00 | 28.2 | |
| 10:00 | 19.1 | |
| 09:00 | 20.2 | |
| 08:00 | 19.4 | |
| 07:00 | 19.7 | |
| 06:00 | 19.8 | |
| 05:00 | 18.9 | |
| 04:00 | 18.4 | |
| 03:00 | 19.2 | |
| 02:00 | 18.3 | |
| 01:00 | 17.7 | |
| Saturday, 10/3 | ||
| 00:00 | 17.6 | |
| 23:00 | 17.8 | |
| 22:00 | 19.1 | |
| 21:00 | 19.8 | |
| 20:00 | 20.2 | |
| 19:00 | 17.3 | |
| 18:00 | 16.8 | |
| 17:00 | 15 | |
| 16:00 | 13.8 | |
| 15:00 | 15 | |
| 14:00 | 14.7 | |
| 13:00 | 16.4 | |
| 12:00 | 19.6 | |
| 11:00 | 21.5 | |
| 10:00 | 23.6 | |
| 09:00 | 25.9 | |
| 08:00 | 25.1 | |
| 07:00 | 25.5 | |
| 06:00 | 22.8 | |
| 05:00 | 21.4 | |
| 04:00 | 21.1 | |
| 03:00 | 20.8 | |
| 02:00 | 20.9 | |
| 01:00 | 21.5 | |
| Friday, 10/2 | ||
| 00:00 | 22.1 | |
| 23:00 | 20 | |
| 22:00 | 18.9 | |
| 21:00 | 17.2 | |
| 20:00 | 16.3 | |
| 19:00 | 14.2 | |
| 18:00 | 12.6 | |
| 17:00 | 11.3 | |
| 16:00 | 11.2 | |
| 15:00 | 13.4 | |
| 14:00 | 14.2 | |
| 13:00 | 16.9 | |
| 12:00 | 21.3 | |
| 11:00 | 25.6 | |
| 10:00 | 26.5 | |
| 09:00 | 27.2 | |
| 08:00 | 28.5 | |
| 07:00 | 24.2 | |
| 06:00 | 22.1 | |
| 05:00 | 22.4 | |
| 04:00 | 22 | |
| 03:00 | 20.2 | |
| 02:00 | 21.1 | |
| 01:00 | 19.2 | |
| Thursday, 10/1 | ||
| 00:00 | 17.9 | |
| 23:00 | 16.1 | |
| 22:00 | 18.2 | |
| 21:00 | 19.5 | |
| 20:00 | 18.2 | |
| 19:00 | 16.6 | |
| 18:00 | 13.6 | |
| 17:00 | 14.8 | |
| 16:00 | 13.1 | |
| 15:00 | 13.5 | |
| 14:00 | 15.7 | |
| 13:00 | 18.3 | |
| 12:00 | 19.8 | |
| 11:00 | 20.9 | |
| 10:00 | 22.2 | |
| 09:00 | 24.9 | |
| 08:00 | 25.2 | |
| 07:00 | 23.6 | |
| 06:00 | 21.4 | |
| 05:00 | 19.9 | |
| 04:00 | 20.6 | |
| 03:00 | 19.9 | |
Values as a table
| Day | µg/m³ | Note |
|---|---|---|
| Wed, 10/7 | 19.2 | provisional |
| Tue, 10/6 | 23.5 | provisional |
| Mon, 10/5 | 20.2 | provisional |
| Sun, 10/4 | 18.7 | provisional |
| Sat, 10/3 | 19.7 | provisional |
| Fri, 10/2 | 19.5 | provisional |
| Thu, 10/1 | 18.6 | provisional |
| Wed, 9/30 | 15.4 | provisional |
| Tue, 9/29 | 17 | provisional |
| Mon, 9/28 | 19.5 | provisional |
| Sun, 9/27 | 14.2 | provisional |
| Sat, 9/26 | 6.4 | provisional |
| Fri, 9/25 | 5.5 | provisional |
| Thu, 9/24 | 26.4 | provisional |
| Wed, 9/23 | 9.9 | provisional |
| Tue, 9/22 | 10.6 | provisional |
| Mon, 9/21 | 9.9 | provisional |
| Sun, 9/20 | 9.6 | provisional |
| Sat, 9/19 | 7.8 | provisional |
| Fri, 9/18 | 10 | provisional |
| Thu, 9/17 | 7.5 | provisional |
| Wed, 9/16 | 7.5 | provisional |
| Tue, 9/15 | 6.1 | provisional |
| Mon, 9/14 | 8.2 | provisional |
| Sun, 9/13 | 7.8 | provisional |
| Sat, 9/12 | 6.5 | provisional |
| Fri, 9/11 | 4.3 | provisional |
| Thu, 9/10 | 10.5 | provisional |
| Wed, 9/9 | 14.5 | provisional |
| Tue, 9/8 | 15.9 | provisional |
Values as a table
| Month | µg/m³ | a year earlier | Note |
|---|---|---|---|
| October 2026 so far | 20 | 5 | measured in 98 % of hours · provisional · year before: same days |
| September 2026 | 10.9 | 7.4 | measured in 97 % of hours · provisional |
| August 2026 | 20.1 | 15.1 | measured in 84 % of hours · provisional |
| July 2026 | 15.6 | 13.2 | measured in 94 % of hours · provisional |
| June 2026 | 14.2 | 14.2 | measured in 94 % of hours · provisional |
| May 2026 | 4.1 | 8.2 | measured in 94 % of hours · provisional |
| April 2026 | 3.9 | 10.8 | measured in 99 % of hours · provisional |
| March 2026 | 4.8 | 11.3 | measured in 100 % of hours · provisional |
| February 2026 | too few readings | 16.7 | measured in 26 % of hours · provisional |
| January 2026 | too few readings | too few readings | measured in 49 % of hours · provisional |
| December 2025 | too few readings | 7.2 | measured in 50 % of hours · verified |
| November 2025 | 5.4 | 14 | measured in 100 % of hours · verified |
PM10 by year
Yardstick: EU limits (Directive 2008/50/EC)
| Measure | 2026* | 2025 | 2024 |
|---|---|---|---|
| Days above 50 µg/m³ (allowed 35) | 0² | 0² | 2 |
| Annual average, µg/m³ (EU limit 40) | too few | 10.3 | 14.5 |
| Highest daily average, µg/m³ | 35August 29 | 34March 9 | 109June 21 |
| Highest hourly value, µg/m³ | 128September 24 | 55January 1 | 129June 21 |
| Hours measured | 83 % | 91 % | 95 % |
| Days without any reading from the station | 0 | 1 | 0 |
* 2026 up to October 7; the average since the start of the year is not yet an annual average.
The monitoring networks have not yet finally verified this year’s data. The EEA publishes verified values once a year.
² Too few readings to compare with the number allowed: the figure covers only what was measured.
Unverified hourly values of particulate matter from 975 µg/m³ up, and single spikes from 500 µg/m³ up between low values, count as missing. In the verified data for BiH from 2023 to 2025 no hour was above 600 µg/m³.
■ and a figure in red: more than is allowed for the whole year.
The column for 2023 is shown on wider screens.
Compared with the new EU rules and the WHO recommendation
This is not the yardstick for the verdict above, only a comparison. From 2030 the EU tightens its limits (Directive (EU) 2024/2881), and since 2021 the World Health Organization has recommended even lower values.
- EU from 2030: daily 45 µg/m³, 18 days allowed. In 2023 there were 4 such days.
- WHO 2021: daily 45 µg/m³, at most three to four days a year. In 2023 there were 4 such days.
- EU from 2030: annual average 20 µg/m³. Average in 2023: 13 µg/m³.
- WHO 2021: annual average 15 µg/m³. Average in 2023: 13 µg/m³.
Sources: Directive (EU) 2024/2881, Annex I; WHO global air quality guidelines 2021, table 0.1. Checked against the texts on 7 October 2026.
The worst days of 2023
| Day | Average | Times the limit |
|---|---|---|
| Feb 2, 2023 | 66 | 1.3 × |
| Feb 18, 2023 | 57 | 1.1 × |
Daily average in µg/m³, daily limit 50 µg/m³. Days with the same unverified value over many hours are not on this list.
Particulate matter PM2.5
no measurement
Now
too few readings
Last 24 hours
measured in 0 % of hours
8.3
Last 7 daysµg/m³
measured in 84 % of hours · provisional
5.5
Last 30 daysµg/m³
measured in 96 % of hours · provisional
too few readings
Last 12 months
measured in 77 % of hours · 3 months with too few readings · provisional
Months of 2023
| Month | Highest day | No readings |
|---|---|---|
| January | 30 | 0 |
| February | 48 | 0 |
| March | 8 | 0 |
| April | 8 | 0 |
| May | 12 | 0 |
| June | 18 | 0 |
| July | 15 | 0 |
| August | 15 | 0 |
| September | 15 | 0 |
| October | 21 | 0 |
| November | 9 | 1 |
| December | 21 | 0 |
Values in µg/m³. ■ marks a month with at least one day above the limit; the number allowed applies to the whole year. “No readings”: days on which not a single reading came from the station.
Values as a table
| Hour to | µg/m³ | Note |
|---|---|---|
| Tuesday, 10/6 | ||
| 21:00 | 16.2 | |
| 20:00 | 15.3 | |
| 19:00 | 14.5 | |
| 18:00 | 12.5 | |
| 17:00 | 12.6 | |
| 16:00 | 13.8 | |
| 15:00 | 11.1 | |
| 14:00 | 10 | |
| 13:00 | 10.2 | |
| 12:00 | 12.3 | |
| 11:00 | 13.3 | |
| 10:00 | 13.2 | |
| 09:00 | 11.9 | |
| 08:00 | 10.3 | |
| 07:00 | 9.3 | |
| 06:00 | 9.2 | |
| 05:00 | 7.6 | |
| 04:00 | 7.1 | |
| 03:00 | 9.1 | |
| 02:00 | 9 | |
| 01:00 | 9.3 | |
| Monday, 10/5 | ||
| 00:00 | 10.6 | |
| 23:00 | 11.6 | |
| 22:00 | 10.3 | |
| 21:00 | 10.3 | |
| 20:00 | 10.7 | |
| 19:00 | 8.8 | |
| 18:00 | 8.5 | |
| 17:00 | 6.7 | |
| 16:00 | 4.8 | |
| 15:00 | 6.1 | |
| 14:00 | 7.7 | |
| 13:00 | 7.8 | |
| 12:00 | 9.3 | |
| 11:00 | 11.8 | |
| 10:00 | 9.5 | |
| 09:00 | 7.3 | |
| 08:00 | 7.5 | |
| 07:00 | 6.7 | |
| 06:00 | 6.5 | |
| 05:00 | 7.1 | |
| 04:00 | 8.2 | |
| 03:00 | 9.1 | |
| 02:00 | 8.7 | |
| 01:00 | 8.5 | |
| Sunday, 10/4 | ||
| 00:00 | 8.5 | |
| 23:00 | 8.8 | |
| 22:00 | 8 | |
| 21:00 | 9.5 | |
| 20:00 | 10 | |
| 19:00 | 10.1 | |
| 18:00 | 7.4 | |
| 17:00 | 5.7 | |
| 16:00 | 4.8 | |
| 15:00 | 5.1 | |
| 14:00 | 5.3 | |
| 13:00 | 6.5 | |
| 12:00 | 16.1 | |
| 11:00 | 12.9 | |
| 10:00 | 8 | |
| 09:00 | 8.6 | |
| 08:00 | 8.7 | |
| 07:00 | 9 | |
| 06:00 | 9.2 | |
| 05:00 | 9.3 | |
| 04:00 | 9.1 | |
| 03:00 | 9.3 | |
| 02:00 | 8.7 | |
| 01:00 | 8.2 | |
| Saturday, 10/3 | ||
| 00:00 | 8 | |
| 23:00 | 8 | |
| 22:00 | 8.1 | |
| 21:00 | 8.1 | |
| 20:00 | 8.3 | |
| 19:00 | 7.1 | |
| 18:00 | 6.3 | |
| 17:00 | 5.4 | |
| 16:00 | 4.7 | |
| 15:00 | 4.9 | |
| 14:00 | 4.7 | |
| 13:00 | 5.6 | |
| 12:00 | 7.2 | |
| 11:00 | 7.8 | |
| 10:00 | 7.9 | |
| 09:00 | 8.5 | |
| 08:00 | 9.4 | |
| 07:00 | 10 | |
| 06:00 | 9.2 | |
| 05:00 | 8.2 | |
| 04:00 | 7.8 | |
| 03:00 | 7.9 | |
| 02:00 | 7.9 | |
| 01:00 | 7.8 | |
| Friday, 10/2 | ||
| 00:00 | 7.6 | |
| 23:00 | 7.5 | |
| 22:00 | 6.8 | |
| 21:00 | 6.4 | |
| 20:00 | 6.4 | |
| 19:00 | 5.1 | |
| 18:00 | 4.4 | |
| 17:00 | 3.7 | |
| 16:00 | 3.3 | |
| 15:00 | 4.1 | |
| 14:00 | 4.4 | |
| 13:00 | 5.6 | |
| 12:00 | 7.4 | |
| 11:00 | 8.5 | |
| 10:00 | 8.9 | |
| 09:00 | 9 | |
| 08:00 | 8.8 | |
| 07:00 | 8.4 | |
| 06:00 | 8 | |
| 05:00 | 7.8 | |
| 04:00 | 7.9 | |
| 03:00 | 7.8 | |
| 02:00 | 8.5 | |
| 01:00 | 8.1 | |
| Thursday, 10/1 | ||
| 00:00 | 7.1 | |
| 23:00 | 6.5 | |
| 22:00 | 6.7 | |
| 21:00 | 7 | |
| 20:00 | 6.9 | |
| 19:00 | 6 | |
| 18:00 | 4.7 | |
| 17:00 | 5.1 | |
| 16:00 | 4.4 | |
| 15:00 | 4.6 | |
| 14:00 | 5.7 | |
| 13:00 | 6.9 | |
| 12:00 | 8.1 | |
| 11:00 | 8.5 | |
| 10:00 | 8.8 | |
| 09:00 | 10 | |
| 08:00 | 10.4 | |
| 07:00 | 9.8 | |
| 06:00 | 9.2 | |
| 05:00 | 9.1 | |
| 04:00 | 9.3 | |
| 03:00 | 9.1 | |
Values as a table
| Day | µg/m³ | Note |
|---|---|---|
| Wed, 10/7 | no measurement | |
| Tue, 10/6 | 11.3 | provisional |
| Mon, 10/5 | 8.5 | provisional |
| Sun, 10/4 | 8.6 | provisional |
| Sat, 10/3 | 7.5 | provisional |
| Fri, 10/2 | 6.9 | provisional |
| Thu, 10/1 | 7.5 | provisional |
| Wed, 9/30 | 5.4 | provisional |
| Tue, 9/29 | 7.9 | provisional |
| Mon, 9/28 | 11.4 | provisional |
| Sun, 9/27 | 9.1 | provisional |
| Sat, 9/26 | 2.5 | provisional |
| Fri, 9/25 | 2 | provisional |
| Thu, 9/24 | 15.9 | provisional |
| Wed, 9/23 | 3.6 | provisional |
| Tue, 9/22 | 3.1 | provisional |
| Mon, 9/21 | 3.4 | provisional |
| Sun, 9/20 | 4.5 | provisional |
| Sat, 9/19 | 3.5 | provisional |
| Fri, 9/18 | 3.7 | provisional |
| Thu, 9/17 | 3.1 | provisional |
| Wed, 9/16 | 2.8 | provisional |
| Tue, 9/15 | 2.1 | provisional |
| Mon, 9/14 | 2.9 | provisional |
| Sun, 9/13 | 2.8 | provisional |
| Sat, 9/12 | 2.4 | provisional |
| Fri, 9/11 | 1.2 | provisional |
| Thu, 9/10 | 5 | provisional |
| Wed, 9/9 | 6.3 | provisional |
| Tue, 9/8 | 4.3 | provisional |
Values as a table
| Month | µg/m³ | a year earlier | Note |
|---|---|---|---|
| October 2026 so far | 8.3 | 2.5 | measured in 84 % of hours · provisional · year before: same days |
| September 2026 | 4.5 | 3.3 | measured in 99 % of hours · provisional |
| August 2026 | 9.7 | 8.3 | measured in 85 % of hours · provisional |
| July 2026 | 8.3 | 7.2 | measured in 99 % of hours · provisional |
| June 2026 | 7.5 | 9.4 | measured in 96 % of hours · provisional |
| May 2026 | 2.6 | 5 | measured in 99 % of hours · provisional |
| April 2026 | 2.7 | 6 | measured in 100 % of hours · provisional |
| March 2026 | 3.4 | 6.7 | measured in 100 % of hours · provisional |
| February 2026 | too few readings | 12.2 | measured in 16 % of hours · provisional |
| January 2026 | too few readings | too few readings | measured in 33 % of hours · provisional |
| December 2025 | too few readings | too few readings | measured in 32 % of hours · verified |
| November 2025 | 3.2 | 9.3 | measured in 83 % of hours · verified |
PM2.5 by year
Yardstick: EU limits (Directive 2008/50/EC)
| Measure | 2026* | 2025 | 2024 |
|---|---|---|---|
| Annual average, µg/m³ (EU limit 25) | too few | too few | 8.4 |
| Highest daily average, µg/m³ | 19June 29 | 25February 11 | 48June 21 |
| Highest hourly value, µg/m³ | 99September 24 | 39January 1 | 63June 21 |
| Hours measured | 81 % | 87 % | 91 % |
| Days without any reading from the station | 0 | 1 | 0 |
* 2026 up to October 7; the average since the start of the year is not yet an annual average.
The monitoring networks have not yet finally verified this year’s data. The EEA publishes verified values once a year.
¹ Fewer than 90 % of the hours were measured, so we do not compare this average with the limit.
Unverified hourly values of particulate matter from 975 µg/m³ up, and single spikes from 500 µg/m³ up between low values, count as missing. In the verified data for BiH from 2023 to 2025 no hour was above 600 µg/m³.
■ and a figure in red: more than is allowed for the whole year.
The column for 2023 is shown on wider screens.
Compared with the new EU rules and the WHO recommendation
This is not the yardstick for the verdict above, only a comparison. From 2030 the EU tightens its limits (Directive (EU) 2024/2881), and since 2021 the World Health Organization has recommended even lower values.
- EU from 2030: daily 25 µg/m³, 18 days allowed. In 2023 there were 5 such days.
- WHO 2021: daily 15 µg/m³, at most three to four days a year. In 2023 there were 22 such days.
Sources: Directive (EU) 2024/2881, Annex I; WHO global air quality guidelines 2021, table 0.1. Checked against the texts on 7 October 2026.
Nitrogen dioxide NO₂
8.7
Nowµg/m³
Measured at 22:00
17.6
Last 24 hoursµg/m³
measured in 83 % of hours · provisional
13.2
Last 7 daysµg/m³
measured in 98 % of hours · provisional
10.8
Last 30 daysµg/m³
measured in 99 % of hours · provisional
12.1
Last 12 monthsµg/m³
measured in 95 % of hours · provisional
Days in 2023: NO₂, at least one hour above 200 µg/m³
No measured day above the limit. 1 day without any reading from the station.
- above the limit
- below the limit
- too few readings for the day
- no NO₂ data in the EEA database
- no data from the station
Months of 2023
| Month | Days with an hour above 200 | Hours above 200 | Highest day | No readings |
|---|---|---|---|---|
| January | 0 | 0 | 25 | 0 |
| February | 0 | 0 | 42 | 0 |
| March | 0 | 0 | 35 | 0 |
| April | 0 | 0 | 28 | 0 |
| May | 0 | 0 | 26 | 0 |
| June | 0 | 0 | 26 | 0 |
| July | 0 | 0 | 21 | 0 |
| August | 0 | 0 | 25 | 0 |
| September | 0 | 0 | 26 | 0 |
| October | 0 | 0 | 40 | 0 |
| November | 0 | 0 | 22 | 1 |
| December | 0 | 0 | 41 | 0 |
Values in µg/m³. ■ marks a month with at least one day above the limit; the number allowed applies to the whole year. “No readings”: days on which not a single reading came from the station.
Values as a table
| Hour to | µg/m³ | Note |
|---|---|---|
| Wednesday, 10/7 | ||
| 00:00 | 11 | model estimate, not counted |
| 23:00 | 11 | model estimate, not counted |
| 22:00 | 10 | model estimate, not counted |
| 21:00 | 12.1 | |
| 20:00 | 22.5 | |
| 19:00 | 23.6 | |
| 18:00 | 17.8 | |
| 17:00 | 20.9 | |
| 16:00 | 23.8 | |
| 15:00 | 11.4 | |
| 14:00 | 21 | |
| 13:00 | 13.6 | |
| 12:00 | 13.3 | |
| 11:00 | 46.6 | |
| 10:00 | 38.4 | |
| 09:00 | 22.2 | |
| 08:00 | 21.1 | |
| 07:00 | 12 | |
| 06:00 | 5.2 | |
| 05:00 | 5.1 | |
| 04:00 | 5.8 | |
| 03:00 | 6.2 | |
| 02:00 | 8.4 | |
| 01:00 | 8.8 | |
| Tuesday, 10/6 | ||
| 00:00 | 13.5 | |
| 23:00 | 11.9 | |
| 22:00 | 17.3 | |
| 21:00 | 34.9 | |
| 20:00 | 52.8 | |
| 19:00 | 51.3 | |
| 18:00 | 33.7 | |
| 17:00 | 48 | |
| 16:00 | 49.9 | |
| 15:00 | 26.2 | |
| 14:00 | 28.5 | |
| 13:00 | 51.4 | |
| 12:00 | 52.5 | |
| 11:00 | 39.2 | |
| 10:00 | 42.8 | |
| 09:00 | 19.5 | |
| 08:00 | 18.1 | |
| 07:00 | 9.2 | |
| 06:00 | 4 | |
| 05:00 | 2.9 | |
| 04:00 | 2.8 | |
| 03:00 | 8.9 | |
| 02:00 | 4.9 | |
| 01:00 | 5.1 | |
| Monday, 10/5 | ||
| 00:00 | 12.4 | |
| 23:00 | 8.6 | |
| 22:00 | 13.8 | |
| 21:00 | 20.1 | |
| 20:00 | 28.1 | |
| 19:00 | 25.1 | |
| 18:00 | 30.5 | |
| 17:00 | 24.9 | |
| 16:00 | 22.4 | |
| 15:00 | 27.4 | |
| 14:00 | 32.6 | |
| 13:00 | 39.2 | |
| 12:00 | 43.8 | |
| 11:00 | 47 | |
| 10:00 | 37.5 | |
| 09:00 | 10 | |
| 08:00 | 10.5 | |
| 07:00 | 7.6 | |
| 06:00 | 4.6 | |
| 05:00 | 4.8 | |
| 04:00 | 3.1 | |
| 03:00 | 5.4 | |
| 02:00 | 5 | |
| 01:00 | 3.6 | |
| Sunday, 10/4 | ||
| 00:00 | 5.4 | |
| 23:00 | 7.5 | |
| 22:00 | 7.8 | |
| 21:00 | 21.5 | |
| 20:00 | 22.4 | |
| 19:00 | 20.6 | |
| 18:00 | 19.1 | |
| 17:00 | 13.2 | |
| 16:00 | 23.6 | |
| 15:00 | 16.4 | |
| 14:00 | 13.7 | |
| 13:00 | 31 | |
| 12:00 | 80.8 | |
| 11:00 | 55.3 | |
| 10:00 | 9.1 | |
| 09:00 | 6.9 | |
| 08:00 | 4.4 | |
| 07:00 | 3.3 | |
| 06:00 | 2.7 | |
| 05:00 | 2.9 | |
| 04:00 | 4.1 | |
| 03:00 | 3.9 | |
| 02:00 | 3.5 | |
| 01:00 | 3.1 | |
| Saturday, 10/3 | ||
| 00:00 | 3.8 | |
| 23:00 | 3.6 | |
| 22:00 | 5.6 | |
| 21:00 | 3.7 | |
| 20:00 | 4.6 | |
| 19:00 | 4.4 | |
| 18:00 | 3.6 | |
| 17:00 | 4.1 | |
| 16:00 | 8.2 | |
| 15:00 | 13 | |
| 14:00 | 6.2 | |
| 13:00 | 6.5 | |
| 12:00 | 5.3 | |
| 11:00 | 4.8 | |
| 10:00 | 5.1 | |
| 09:00 | 4.5 | |
| 08:00 | 3.9 | |
| 07:00 | 3.5 | |
| 06:00 | 3 | |
| 05:00 | 2.7 | |
| 04:00 | 2.7 | |
| 03:00 | 3 | |
| 02:00 | 3.1 | |
| 01:00 | 3.3 | |
| Friday, 10/2 | ||
| 00:00 | 3.8 | |
| 23:00 | 3.8 | |
| 22:00 | 5.2 | |
| 21:00 | 4.9 | |
| 20:00 | 5 | |
| 19:00 | 4.8 | |
| 18:00 | 5.5 | |
| 17:00 | 5.6 | |
| 16:00 | 5.9 | |
| 15:00 | 5.6 | |
| 14:00 | 5.7 | |
| 13:00 | 5.1 | |
| 12:00 | 4.7 | |
| 11:00 | 5.7 | |
| 10:00 | 5.8 | |
| 09:00 | 7.7 | |
| 08:00 | 9.3 | |
| 07:00 | 5 | |
| 06:00 | 3 | |
| 05:00 | 3 | |
| 04:00 | 2.4 | |
| 03:00 | 2.3 | |
| 02:00 | 2.6 | |
| 01:00 | 2.6 | |
| Thursday, 10/1 | ||
| 00:00 | 2.9 | |
| 23:00 | 3.6 | |
| 22:00 | 3.9 | |
| 21:00 | 4.1 | |
| 20:00 | 4.5 | |
| 19:00 | 4.9 | |
| 18:00 | 4.5 | |
| 17:00 | 5.1 | |
| 16:00 | 6.2 | |
| 15:00 | 6.1 | |
| 14:00 | 6.3 | |
| 13:00 | 4.6 | |
| 12:00 | 5.4 | |
| 11:00 | 6.2 | |
| 10:00 | 6.4 | |
| 09:00 | 7.4 | |
| 08:00 | 5.9 | |
| 07:00 | 5.1 | |
| 06:00 | 3.1 | |
| 05:00 | 2.7 | |
| 04:00 | 2.7 | |
| 03:00 | 2.5 | |
Values as a table
| Day | µg/m³ | Note |
|---|---|---|
| Wed, 10/7 | 17.1 | provisional |
| Tue, 10/6 | 26.2 | provisional |
| Mon, 10/5 | 19.5 | provisional |
| Sun, 10/4 | 15.9 | provisional |
| Sat, 10/3 | 4.7 | provisional |
| Fri, 10/2 | 4.8 | provisional |
| Thu, 10/1 | 4.5 | provisional |
| Wed, 9/30 | 15 | provisional |
| Tue, 9/29 | 12.7 | provisional |
| Mon, 9/28 | 15.3 | provisional |
| Sun, 9/27 | 5.7 | provisional |
| Sat, 9/26 | 9.1 | provisional |
| Fri, 9/25 | 6 | provisional |
| Thu, 9/24 | 17.4 | provisional |
| Wed, 9/23 | 10.5 | provisional |
| Tue, 9/22 | 6.3 | provisional |
| Mon, 9/21 | 6.1 | provisional |
| Sun, 9/20 | 10.1 | provisional |
| Sat, 9/19 | 3.9 | provisional |
| Fri, 9/18 | 16.7 | provisional |
| Thu, 9/17 | 11.3 | provisional |
| Wed, 9/16 | 13.2 | provisional |
| Tue, 9/15 | 6.3 | provisional |
| Mon, 9/14 | 13.3 | provisional |
| Sun, 9/13 | 7.4 | provisional |
| Sat, 9/12 | 4.1 | provisional |
| Fri, 9/11 | 3.5 | provisional |
| Thu, 9/10 | 5.2 | provisional |
| Wed, 9/9 | 13.9 | provisional |
| Tue, 9/8 | 19.9 | provisional |
Values as a table
| Month | µg/m³ | a year earlier | Note |
|---|---|---|---|
| October 2026 so far | 13.2 | 8.9 | measured in 98 % of hours · provisional · year before: same days |
| September 2026 | 10.2 | 14 | measured in 100 % of hours · provisional |
| August 2026 | 11.9 | 10.5 | measured in 85 % of hours · provisional |
| July 2026 | 11.3 | too few readings | measured in 99 % of hours · provisional |
| June 2026 | 11.6 | 11.4 | measured in 88 % of hours · provisional |
| May 2026 | 10.9 | 10.4 | measured in 79 % of hours · provisional |
| April 2026 | 10.9 | 11.4 | measured in 100 % of hours · provisional |
| March 2026 | 13.5 | too few readings | measured in 100 % of hours · provisional |
| February 2026 | 14.2 | 11.8 | measured in 100 % of hours · provisional |
| January 2026 | 11.2 | 9.2 | measured in 100 % of hours · provisional |
| December 2025 | 16.2 | 10.8 | measured in 99 % of hours · verified |
| November 2025 | 11.6 | too few readings | measured in 100 % of hours · verified |
NO₂ by year
Yardstick: EU limits (Directive 2008/50/EC)
| Measure | 2026* | 2025 | 2024 |
|---|---|---|---|
| Hours above 200 µg/m³ (allowed 18) | 0 | 0² | 0² |
| Hours above 400 µg/m³, three hours in a row (alert threshold) | 0 | 0 | 0 |
| Annual average, µg/m³ (EU limit 40) | 11.8* | too few | too few |
| Highest daily average, µg/m³ | 37February 24 | 33September 18 | 45February 1 |
| Highest hourly value, µg/m³ | 81October 4 | 118September 18 | 105October 21 |
| Hours measured | 94 % | 87 % | 89 % |
| Days without any reading from the station | 0 | 1 | 0 |
* 2026 up to October 7; the average since the start of the year is not yet an annual average.
The monitoring networks have not yet finally verified this year’s data. The EEA publishes verified values once a year.
² Too few readings to compare with the number allowed: the figure covers only what was measured.
■ and a figure in red: more than is allowed for the whole year.
There is no allowed number for the warning and alert thresholds: every such hour or day is in red.
The column for 2023 is shown on wider screens.
Compared with the new EU rules and the WHO recommendation
This is not the yardstick for the verdict above, only a comparison. From 2030 the EU tightens its limits (Directive (EU) 2024/2881), and since 2021 the World Health Organization has recommended even lower values.
- EU from 2030: daily 50 µg/m³, 18 days allowed. In 2023 there were 0 such days.
- WHO 2021: daily 25 µg/m³, at most three to four days a year. In 2023 there were 27 such days.
- EU from 2030: annual average 20 µg/m³. Average in 2023: 13 µg/m³.
- WHO 2021: annual average 10 µg/m³. Average in 2023: 13 µg/m³.
Sources: Directive (EU) 2024/2881, Annex I; WHO global air quality guidelines 2021, table 0.1. Checked against the texts on 7 October 2026.
Ozone O₃
107.8
Nowµg/m³
Measured at 22:00
86
Last 24 hoursµg/m³
measured in 83 % of hours · provisional
99.7
Last 7 daysµg/m³
measured in 98 % of hours · provisional
86.3
Last 30 daysµg/m³
measured in 99 % of hours · provisional
79.6
Last 12 monthsµg/m³
measured in 96 % of hours · provisional
Days in 2023: O₃, 8-hour average above 120 µg/m³
5 days above the limit. 1 day without any reading from the station.
- above the limit
- below the limit
- too few readings for the day
- no O₃ data in the EEA database
- no data from the station
Days above the limit with values (5)
- May 7 127
- Jun 21 122
- Jun 22 134
- Jul 10 126
- Jul 13 122
Values in µg/m³, limit 120 µg/m³.
Months of 2023
| Month | Days above 120 | Highest 8 h | No readings |
|---|---|---|---|
| January | 0 | 77 | 0 |
| February | 0 | 93 | 0 |
| March | 0 | 99 | 0 |
| April | 0 | 108 | 0 |
| May | 1 above the number allowed | 127 | 0 |
| June | 2 above the number allowed | 134 | 0 |
| July | 2 above the number allowed | 126 | 0 |
| August | 0 | 117 | 0 |
| September | 0 | 110 | 0 |
| October | 0 | 102 | 0 |
| November | 0 | 79 | 1 |
| December | 0 | 76 | 0 |
Values in µg/m³. ■ marks a month with at least one day above the limit; the number allowed applies to the whole year. “No readings”: days on which not a single reading came from the station.
Values as a table
| Hour to | µg/m³ | Note |
|---|---|---|
| Wednesday, 10/7 | ||
| 00:00 | 75 | model estimate, not counted |
| 23:00 | 75 | model estimate, not counted |
| 22:00 | 78 | model estimate, not counted |
| 21:00 | 97.4 | |
| 20:00 | 84.6 | |
| 19:00 | 80.7 | |
| 18:00 | 93.7 | |
| 17:00 | 89.9 | |
| 16:00 | 90.7 | |
| 15:00 | 105.7 | |
| 14:00 | 91.6 | |
| 13:00 | 95.8 | |
| 12:00 | 92.3 | |
| 11:00 | 48.3 | |
| 10:00 | 59.3 | |
| 09:00 | 80.9 | |
| 08:00 | 73.8 | |
| 07:00 | 88 | |
| 06:00 | 97.2 | |
| 05:00 | 92.1 | |
| 04:00 | 89.5 | |
| 03:00 | 84.9 | |
| 02:00 | 84.2 | |
| 01:00 | 84.3 | |
| Tuesday, 10/6 | ||
| 00:00 | 80.8 | |
| 23:00 | 90.3 | |
| 22:00 | 80.4 | |
| 21:00 | 61.4 | |
| 20:00 | 48.1 | |
| 19:00 | 53 | |
| 18:00 | 80.1 | |
| 17:00 | 71.6 | |
| 16:00 | 66.3 | |
| 15:00 | 94.1 | |
| 14:00 | 90.6 | |
| 13:00 | 59.4 | |
| 12:00 | 42.3 | |
| 11:00 | 54.2 | |
| 10:00 | 45.2 | |
| 09:00 | 82.7 | |
| 08:00 | 90.4 | |
| 07:00 | 93.8 | |
| 06:00 | 105.4 | |
| 05:00 | 100.9 | |
| 04:00 | 101 | |
| 03:00 | 96.2 | |
| 02:00 | 98.7 | |
| 01:00 | 97 | |
| Monday, 10/5 | ||
| 00:00 | 96.3 | |
| 23:00 | 102 | |
| 22:00 | 93.5 | |
| 21:00 | 79.9 | |
| 20:00 | 77.2 | |
| 19:00 | 87.6 | |
| 18:00 | 86.5 | |
| 17:00 | 99.4 | |
| 16:00 | 101.8 | |
| 15:00 | 90.2 | |
| 14:00 | 73 | |
| 13:00 | 63.3 | |
| 12:00 | 59.3 | |
| 11:00 | 47.8 | |
| 10:00 | 59.2 | |
| 09:00 | 95.5 | |
| 08:00 | 98 | |
| 07:00 | 91.6 | |
| 06:00 | 93.3 | |
| 05:00 | 96.5 | |
| 04:00 | 106.8 | |
| 03:00 | 97.7 | |
| 02:00 | 104 | |
| 01:00 | 107.4 | |
| Sunday, 10/4 | ||
| 00:00 | 104.1 | |
| 23:00 | 100.9 | |
| 22:00 | 105.9 | |
| 21:00 | 91.4 | |
| 20:00 | 99.9 | |
| 19:00 | 106.3 | |
| 18:00 | 112.8 | |
| 17:00 | 122.4 | |
| 16:00 | 111.7 | |
| 15:00 | 118.1 | |
| 14:00 | 115.7 | |
| 13:00 | 92.6 | |
| 12:00 | 52.5 | |
| 11:00 | 57 | |
| 10:00 | 100.3 | |
| 09:00 | 103.6 | |
| 08:00 | 109.4 | |
| 07:00 | 112.6 | |
| 06:00 | 116.1 | |
| 05:00 | 112.7 | |
| 04:00 | 111.6 | |
| 03:00 | 116.2 | |
| 02:00 | 116.8 | |
| 01:00 | 118.6 | |
| Saturday, 10/3 | ||
| 00:00 | 119 | |
| 23:00 | 119.1 | |
| 22:00 | 118.7 | |
| 21:00 | 121.3 | |
| 20:00 | 122 | |
| 19:00 | 122.4 | |
| 18:00 | 123.1 | |
| 17:00 | 120.2 | |
| 16:00 | 113.4 | |
| 15:00 | 113.9 | |
| 14:00 | 115.7 | |
| 13:00 | 118.2 | |
| 12:00 | 120.5 | |
| 11:00 | 122.2 | |
| 10:00 | 120.3 | |
| 09:00 | 120.3 | |
| 08:00 | 122.8 | |
| 07:00 | 122.7 | |
| 06:00 | 121.3 | |
| 05:00 | 117.4 | |
| 04:00 | 117 | |
| 03:00 | 115.1 | |
| 02:00 | 115 | |
| 01:00 | 115.3 | |
| Friday, 10/2 | ||
| 00:00 | 116.8 | |
| 23:00 | 117.5 | |
| 22:00 | 114.3 | |
| 21:00 | 117.1 | |
| 20:00 | 116.9 | |
| 19:00 | 112.5 | |
| 18:00 | 110.3 | |
| 17:00 | 110.1 | |
| 16:00 | 108.1 | |
| 15:00 | 105.8 | |
| 14:00 | 105.3 | |
| 13:00 | 106.7 | |
| 12:00 | 110.3 | |
| 11:00 | 109.3 | |
| 10:00 | 107.6 | |
| 09:00 | 104.4 | |
| 08:00 | 105.5 | |
| 07:00 | 113.2 | |
| 06:00 | 115.1 | |
| 05:00 | 114.5 | |
| 04:00 | 114.6 | |
| 03:00 | 115.4 | |
| 02:00 | 116.3 | |
| 01:00 | 116.6 | |
| Thursday, 10/1 | ||
| 00:00 | 115 | |
| 23:00 | 113 | |
| 22:00 | 113.4 | |
| 21:00 | 114.8 | |
| 20:00 | 113.4 | |
| 19:00 | 113.8 | |
| 18:00 | 109.1 | |
| 17:00 | 104.2 | |
| 16:00 | 98.9 | |
| 15:00 | 99.6 | |
| 14:00 | 100.3 | |
| 13:00 | 105.8 | |
| 12:00 | 105 | |
| 11:00 | 102.6 | |
| 10:00 | 101.5 | |
| 09:00 | 101.6 | |
| 08:00 | 102.9 | |
| 07:00 | 105.9 | |
| 06:00 | 109.4 | |
| 05:00 | 111.9 | |
| 04:00 | 114.2 | |
| 03:00 | 114.2 | |
Values as a table
| Day | µg/m³ | Note |
|---|---|---|
| Wed, 10/7 | 92.6 | provisional |
| Tue, 10/6 | 99.7 | provisional |
| Mon, 10/5 | 103.6 | provisional |
| Sun, 10/4 | 120.5 | above the limit · provisional |
| Sat, 10/3 | 121 | above the limit · provisional |
| Fri, 10/2 | 115.1 | provisional |
| Thu, 10/1 | 112.1 | provisional |
| Wed, 9/30 | 107.7 | provisional |
| Tue, 9/29 | 117.7 | provisional |
| Mon, 9/28 | 100.7 | provisional |
| Sun, 9/27 | 99.9 | provisional |
| Sat, 9/26 | 92.4 | provisional |
| Fri, 9/25 | 81.5 | provisional |
| Thu, 9/24 | 77.8 | provisional |
| Wed, 9/23 | 80.8 | provisional |
| Tue, 9/22 | 89.2 | provisional |
| Mon, 9/21 | 86.2 | provisional |
| Sun, 9/20 | 88.5 | provisional |
| Sat, 9/19 | 88.5 | provisional |
| Fri, 9/18 | 83.7 | provisional |
| Thu, 9/17 | 79.6 | provisional |
| Wed, 9/16 | 91.3 | provisional |
| Tue, 9/15 | 91.4 | provisional |
| Mon, 9/14 | 99.9 | provisional |
| Sun, 9/13 | 100.4 | provisional |
| Sat, 9/12 | 93.6 | provisional |
| Fri, 9/11 | 73.7 | provisional |
| Thu, 9/10 | 80 | provisional |
| Wed, 9/9 | 103.7 | provisional |
| Tue, 9/8 | 116 | provisional |
Values as a table
| Month | µg/m³ | a year earlier | Note |
|---|---|---|---|
| October 2026 so far | 99.7 | 60.5 | measured in 98 % of hours · provisional · year before: same days |
| September 2026 | 87.6 | 62.1 | measured in 100 % of hours · provisional |
| August 2026 | 111 | 91.1 | measured in 100 % of hours · provisional |
| July 2026 | 105.2 | too few readings | measured in 100 % of hours · provisional |
| June 2026 | 94 | 98.6 | measured in 88 % of hours · provisional |
| May 2026 | 86.6 | 83.8 | measured in 79 % of hours · provisional |
| April 2026 | 95 | 82.8 | measured in 100 % of hours · provisional |
| March 2026 | 77.7 | too few readings | measured in 100 % of hours · provisional |
| February 2026 | 61 | 64.5 | measured in 100 % of hours · provisional |
| January 2026 | 62 | 61.9 | measured in 100 % of hours · provisional |
| December 2025 | 47.3 | 55.8 | measured in 99 % of hours · verified |
| November 2025 | 58.6 | too few readings | measured in 93 % of hours · verified |
O₃ by year
Yardstick: EU limits (Directive 2008/50/EC)
| Measure | 2026* | 2025 | 2024 |
|---|---|---|---|
| Days with 8-hour average above 120 µg/m³ (target value 25) | 47 | ≥ 24² | ≥ 13² |
| Annual average, µg/m³ | 87.1* | too few | too few |
| Highest 8-hour average, µg/m³ | 155August 15 | 141June 15 | 133July 19 |
| Hours measured | 96 % | 87 % | 89 % |
| Days without any reading from the station | 0 | 1 | 0 |
* 2026 up to October 7; the average since the start of the year is not yet an annual average.
The monitoring networks have not yet finally verified this year’s data. The EEA publishes verified values once a year.
≥ means at least: more than a tenth of the days or hours are missing, so the real number may be higher.
² Too few readings to compare with the number allowed: the figure covers only what was measured.
■ and a figure in red: more than is allowed for the whole year.
The column for 2023 is shown on wider screens.
The worst days of 2023
| Day | Highest 8 h | Times the limit |
|---|---|---|
| Jun 22, 2023 | 134 | 1.1 × |
| May 7, 2023 | 127 | 1.1 × |
| Jul 10, 2023 | 126 | 1.1 × |
| Jun 21, 2023 | 122 | 1.0 × |
| Jul 13, 2023 | 122 | 1.0 × |
Daily average in µg/m³, daily limit 120 µg/m³. Days with the same unverified value over many hours are not on this list.
Sulphur dioxide SO₂
24.9
Nowµg/m³
Measured at 22:00
10.1
Last 24 hoursµg/m³
measured in 83 % of hours · provisional
7.5
Last 7 daysµg/m³
measured in 98 % of hours · provisional
6
Last 30 daysµg/m³
measured in 99 % of hours · provisional
4.6
Last 12 monthsµg/m³
measured in 95 % of hours · provisional
Days in 2023: SO₂, daily average above 125 µg/m³
No measured day above the limit. 1 day without any reading from the station.
- above the limit
- below the limit
- too few readings for the day
- no SO₂ data in the EEA database
- no data from the station
Months of 2023
| Month | Days above 125 | Hours above 350 | Highest day | No readings |
|---|---|---|---|---|
| January | 0 | 0 | 4 | 0 |
| February | 0 | 0 | 8 | 0 |
| March | 0 | 0 | 6 | 0 |
| April | 0 | 0 | 5 | 0 |
| May | 0 | 0 | 12 | 0 |
| June | 0 | 0 | 9 | 0 |
| July | 0 | 0 | 9 | 0 |
| August | 0 | 0 | 13 | 0 |
| September | 0 | 0 | 16 | 0 |
| October | 0 | 0 | 16 | 0 |
| November | 0 | 0 | 15 | 1 |
| December | 0 | 0 | 5 | 0 |
Values in µg/m³. ■ marks a month with at least one day above the limit; the number allowed applies to the whole year. “No readings”: days on which not a single reading came from the station.
Values as a table
| Hour to | µg/m³ | Note |
|---|---|---|
| Wednesday, 10/7 | ||
| 21:00 | 12 | |
| 20:00 | 5.4 | |
| 19:00 | 3.7 | |
| 18:00 | 4.7 | |
| 17:00 | 3.2 | |
| 16:00 | 3.1 | |
| 15:00 | 3.4 | |
| 14:00 | 4.3 | |
| 13:00 | 5.7 | |
| 12:00 | 19 | |
| 11:00 | 20.3 | |
| 10:00 | 12 | |
| 09:00 | 39.8 | |
| 08:00 | 14.5 | |
| 07:00 | 14.5 | |
| 06:00 | 11 | |
| 05:00 | 7.8 | |
| 04:00 | 6.3 | |
| 03:00 | 5.8 | |
| 02:00 | 4.8 | |
| 01:00 | 6.5 | |
| Tuesday, 10/6 | ||
| 00:00 | 7.7 | |
| 23:00 | 11.6 | |
| 22:00 | 15.1 | |
| 21:00 | 25.1 | |
| 20:00 | 23.3 | |
| 19:00 | 15.5 | |
| 18:00 | 22.4 | |
| 17:00 | 26.3 | |
| 16:00 | 31.8 | |
| 15:00 | 46 | |
| 14:00 | 31.5 | |
| 13:00 | 8.3 | |
| 12:00 | 5.3 | |
| 11:00 | 4.7 | |
| 10:00 | 4.6 | |
| 09:00 | 5.1 | |
| 08:00 | 4.9 | |
| 07:00 | 4.6 | |
| 06:00 | 5.2 | |
| 05:00 | 4 | |
| 04:00 | 3.5 | |
| 03:00 | 3.2 | |
| 02:00 | 3.4 | |
| 01:00 | 3.5 | |
| Monday, 10/5 | ||
| 00:00 | 4.6 | |
| 23:00 | 5.2 | |
| 22:00 | 5.6 | |
| 21:00 | 7.6 | |
| 20:00 | 9 | |
| 19:00 | 5.6 | |
| 18:00 | 6.3 | |
| 17:00 | 6.8 | |
| 16:00 | 7 | |
| 15:00 | 8.8 | |
| 14:00 | 5.4 | |
| 13:00 | 5.6 | |
| 12:00 | 5.4 | |
| 11:00 | 5.6 | |
| 10:00 | 4.4 | |
| 09:00 | 4.9 | |
| 08:00 | 11.7 | |
| 07:00 | 3.7 | |
| 06:00 | 3.8 | |
| 05:00 | 4.3 | |
| 04:00 | 4.8 | |
| 03:00 | 4.2 | |
| 02:00 | 5 | |
| 01:00 | 4.5 | |
| Sunday, 10/4 | ||
| 00:00 | 5 | |
| 23:00 | 5.6 | |
| 22:00 | 6.4 | |
| 21:00 | 7.5 | |
| 20:00 | 8.5 | |
| 19:00 | 9.5 | |
| 18:00 | 8.2 | |
| 17:00 | 7.1 | |
| 16:00 | 9 | |
| 15:00 | 10.4 | |
| 14:00 | 17 | |
| 13:00 | 71.5 | |
| 12:00 | 41 | |
| 11:00 | 5.8 | |
| 10:00 | 6.5 | |
| 09:00 | 5.8 | |
| 08:00 | 6.2 | |
| 07:00 | 5.1 | |
| 06:00 | 4.6 | |
| 05:00 | 4.2 | |
| 04:00 | 4.2 | |
| 03:00 | 5.4 | |
| 02:00 | 4.6 | |
| 01:00 | 4.7 | |
| Saturday, 10/3 | ||
| 00:00 | 5 | |
| 23:00 | 4.1 | |
| 22:00 | 4.6 | |
| 21:00 | 4.3 | |
| 20:00 | 3.8 | |
| 19:00 | 3.2 | |
| 18:00 | 3.8 | |
| 17:00 | 4.1 | |
| 16:00 | 4.5 | |
| 15:00 | 6.1 | |
| 14:00 | 5.9 | |
| 13:00 | 8.3 | |
| 12:00 | 8.9 | |
| 11:00 | 5.1 | |
| 10:00 | 3.6 | |
| 09:00 | 2.6 | |
| 08:00 | 4.1 | |
| 07:00 | 3.6 | |
| 06:00 | 2.9 | |
| 05:00 | 1.4 | |
| 04:00 | 1.2 | |
| 03:00 | 1.2 | |
| 02:00 | 1.3 | |
| 01:00 | 1.2 | |
| Friday, 10/2 | ||
| 00:00 | 0.8 | |
| 23:00 | 0.6 | |
| 22:00 | 1.4 | |
| 21:00 | 1.5 | |
| 20:00 | 2 | |
| 19:00 | 0 | |
| 18:00 | 2.1 | |
| 17:00 | 3.7 | |
| 16:00 | 5 | |
| 15:00 | 4.5 | |
| 14:00 | 3.9 | |
| 13:00 | 4.3 | |
| 12:00 | 5.6 | |
| 11:00 | 6.9 | |
| 10:00 | 9.5 | |
| 09:00 | 13.3 | |
| 08:00 | 10.6 | |
| 07:00 | 8.9 | |
| 06:00 | 5.3 | |
| 05:00 | 4.6 | |
| 04:00 | 3.3 | |
| 03:00 | 2.5 | |
| 02:00 | 3.8 | |
| 01:00 | 4.1 | |
| Thursday, 10/1 | ||
| 00:00 | 2.9 | |
| 23:00 | 2 | |
| 22:00 | 2.9 | |
| 21:00 | 3.1 | |
| 20:00 | 2.8 | |
| 19:00 | 3.3 | |
| 18:00 | 2.7 | |
| 17:00 | 2.7 | |
| 16:00 | 2.6 | |
| 15:00 | 3.1 | |
| 14:00 | 3.8 | |
| 13:00 | 5 | |
| 12:00 | 5 | |
| 11:00 | 7.2 | |
| 10:00 | 9 | |
| 09:00 | 9 | |
| 08:00 | 8.2 | |
| 07:00 | 6.1 | |
| 06:00 | 6.1 | |
| 05:00 | 5.4 | |
| 04:00 | 5.2 | |
| 03:00 | 4.6 | |
Values as a table
| Day | µg/m³ | Note |
|---|---|---|
| Wed, 10/7 | 9.9 | provisional |
| Tue, 10/6 | 13.2 | provisional |
| Mon, 10/5 | 5.8 | provisional |
| Sun, 10/4 | 11 | provisional |
| Sat, 10/3 | 4 | provisional |
| Fri, 10/2 | 4.5 | provisional |
| Thu, 10/1 | 4.6 | provisional |
| Wed, 9/30 | 3.6 | provisional |
| Tue, 9/29 | 4.1 | provisional |
| Mon, 9/28 | 10.1 | provisional |
| Sun, 9/27 | 6 | provisional |
| Sat, 9/26 | 1.6 | provisional |
| Fri, 9/25 | 0.9 | provisional |
| Thu, 9/24 | 6.6 | provisional |
| Wed, 9/23 | 1.5 | provisional |
| Tue, 9/22 | 0.9 | provisional |
| Mon, 9/21 | 6.5 | provisional |
| Sun, 9/20 | 2.9 | provisional |
| Sat, 9/19 | 1.8 | provisional |
| Fri, 9/18 | 19.3 | provisional |
| Thu, 9/17 | 8.2 | provisional |
| Wed, 9/16 | 10 | provisional |
| Tue, 9/15 | 0.9 | provisional |
| Mon, 9/14 | 18.8 | provisional |
| Sun, 9/13 | 1 | provisional |
| Sat, 9/12 | 0.9 | provisional |
| Fri, 9/11 | 1.4 | provisional |
| Thu, 9/10 | 5 | provisional |
| Wed, 9/9 | 9.9 | provisional |
| Tue, 9/8 | 4.4 | provisional |
Values as a table
| Month | µg/m³ | a year earlier | Note |
|---|---|---|---|
| October 2026 so far | 7.5 | 2.7 | measured in 98 % of hours · provisional · year before: same days |
| September 2026 | 5.6 | 5.3 | measured in 99 % of hours · provisional |
| August 2026 | 4.5 | 4.2 | measured in 100 % of hours · provisional |
| July 2026 | 2.9 | too few readings | measured in 99 % of hours · provisional |
| June 2026 | 2.5 | 4.4 | measured in 80 % of hours · provisional |
| May 2026 | 5.6 | 4.4 | measured in 79 % of hours · provisional |
| April 2026 | 5.3 | 5.8 | measured in 100 % of hours · provisional |
| March 2026 | 3.4 | too few readings | measured in 100 % of hours · provisional |
| February 2026 | 4.3 | 4.1 | measured in 100 % of hours · provisional |
| January 2026 | 5.6 | 3.3 | measured in 100 % of hours · provisional |
| December 2025 | 5.7 | 6.5 | measured in 91 % of hours · verified |
| November 2025 | 4.2 | too few readings | measured in 100 % of hours · verified |
SO₂ by year
Yardstick: EU limits (Directive 2008/50/EC)
| Measure | 2026* | 2025 | 2024 |
|---|---|---|---|
| Days above 125 µg/m³ (allowed 3) | 0 | 0² | 0² |
| Hours above 350 µg/m³ (allowed 24) | 0 | 0² | ≥ 1² |
| Hours above 500 µg/m³, three hours in a row (alert threshold) | 0 | 0 | 0 |
| Annual average, µg/m³ | 4.5* | too few | too few |
| Highest daily average, µg/m³ | 19September 18 | 19December 14 | 50December 31 |
| Highest hourly value, µg/m³ | 196April 25 | 126February 21 | 533December 31 |
| Hours measured | 95 % | 87 % | 85 % |
| Days without any reading from the station | 0 | 1 | 0 |
* 2026 up to October 7; the average since the start of the year is not yet an annual average.
The monitoring networks have not yet finally verified this year’s data. The EEA publishes verified values once a year.
≥ means at least: more than a tenth of the days or hours are missing, so the real number may be higher.
² Too few readings to compare with the number allowed: the figure covers only what was measured.
■ and a figure in red: more than is allowed for the whole year.
There is no allowed number for the warning and alert thresholds: every such hour or day is in red.
The column for 2023 is shown on wider screens.
Compared with the new EU rules and the WHO recommendation
This is not the yardstick for the verdict above, only a comparison. From 2030 the EU tightens its limits (Directive (EU) 2024/2881), and since 2021 the World Health Organization has recommended even lower values.
- EU from 2030: daily 50 µg/m³, 18 days allowed. In 2023 there were 0 such days.
- WHO 2021: daily 40 µg/m³, at most three to four days a year. In 2023 there were 0 such days.
- EU from 2030: annual average 20 µg/m³. Average in 2023: 5 µg/m³.
Sources: Directive (EU) 2024/2881, Annex I; WHO global air quality guidelines 2021, table 0.1. Checked against the texts on 7 October 2026.
Outages in the last 12 months
Every period of at least 24 hours in which no reading arrived from this station.
Days without a reading: 1
1 outage, 26 hours in total in the last 12 months.
Timeline of outages from October 8, 2025 to today
| From | To | Duration |
|---|---|---|
| Jun 4, 2026 09:00 | Jun 5, 2026 11:00 | 26 hours |
Calculated from the hourly values the EEA publishes. If late values arrive afterwards, an outage gets shorter or disappears.
Where the data comes from
Measured by Državna mreža za trajno praćenje kvalitete zraka. We take the values from the European Environment Agency (EEA) under the CC BY 4.0 licence.
Values marked provisional have not been fully checked by the network yet. The EEA publishes verified data for the previous year once a year, usually by the end of September.
An hourly value is the average of one hour. We show the end of the hour: the value to 18:00 was measured from 17:00 to 18:00.
A day runs from midnight to midnight local time.
We only show an average when at least three out of four hours in the period have a reading. The EU air quality directive requires this for daily averages, and we apply the same rule to longer periods. We compare an annual average with the EU limit only once 90 % of hours are measured, as the directive requires. For 12 months and for a year we ask for more: if less than 90 % of hours are measured, every full calendar month needs readings for at least half of its hours. Otherwise a whole season could be missing from the average, such as summer, when ozone is highest.
We do not call a difference of up to 10 % a change, nor one of up to 1 µg/m³ at low levels, because weather and measurement uncertainty alone cause differences that size.
When a station sends no reading, the EEA sometimes fills the hour with a model estimate. We draw those hours dashed and leave them out of every average.
The EU limits come from Directive 2008/50/EC. Here they serve as a yardstick for comparison. When more than a tenth of the days or hours are missing, the number of exceedances can only be higher, so we write “at least” in front of it.
samoEKO is a brand of samoLabs, Juelich.