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Air quality in Wales
Air quality index (AQI) and PM2.5 air pollution in Wales
LIVE AQI CITY RANKING
Real-time Wales
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Blackwood | 37 |
| 2 | Cwmbran | 37 |
| 3 | Port Talbot | 36 |
| 4 | Cardiff | 35 |
| 5 | Chepstow | 33 |
| 6 | Templeton | 33 |
| 7 | Bridgend | 29 |
| 8 | Aberystwyth | 27 |
| 9 | Newport | 27 |
| 10 | Carmarthen | 24 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
11 Contributors
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LIVE AQI CITY RANKING
Real-time Wales
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Chirk | 5 |
| 2 | Monmouth | 8 |
| 3 | Wrexham | 12 |
| 4 | Fochriw | 17 |
| 5 | Ruabon | 19 |
| 6 | Caerphilly | 21 |
| 7 | Dyserth | 21 |
| 8 | Pontypridd | 22 |
| 9 | Carmarthen | 24 |
| 10 | Aberystwyth | 27 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Unhealthy for sensitive groups
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News
The latest air quality news and resources.
Wales air quality data attribution
11Contributors
- Welsh Government
19 stations
- UK Air Quality
1 station
3 Government Contributors
- Milking Solutions
1 station
Corporate Contributor
- Craig YrHesg
2 stations
- controlsjedi
1 station
- DJ
1 station
3 Individual Contributors
4 Anonymous contributors4 stations
4 Anonymous Contributors
Which is the most polluted city in Wales?
- Blackwood 37
- Cwmbran 37
- Port Talbot 36
- Cardiff 35
- Chepstow 33
- Templeton 33
- Bridgend 29
- Aberystwyth 27
- Newport 27
- Carmarthen 24
- Pontypridd 22
- Caerphilly 21
- Dyserth 21
- Ruabon 19
- Crosskeys 17
- Crumlin 17
- Fochriw 17
- Mountain Ash 16
- Penarth 16
- Neath 15
- Taibach 15
- Landore 14
- Morriston 14
- Swansea 14
- Benllech 12
- Bishops Moat 12
- Cemaes Bay 12
- Llanerchymedd 12
- Llanfairpwllgwyngyll 12
- Wrexham 12
- Deiniolen 11
- Rhyl 11
- Monmouth 8
- Chirk 5
AQI US, Metric