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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 | Bridgend | 45 |
| 2 | Cardiff | 34 |
| 3 | Port Talbot | 33 |
| 4 | Templeton | 33 |
| 5 | Newport | 31 |
| 6 | Cwmbran | 29 |
| 7 | Wrexham | 29 |
| 8 | Dyserth | 25 |
| 9 | Caerphilly | 21 |
| 10 | Chepstow | 21 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
10 Contributors
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LIVE AQI CITY RANKING
Real-time Wales
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Monmouth | 4 |
| 2 | Aberystwyth | 7 |
| 3 | Carmarthen | 7 |
| 4 | Pontypridd | 10 |
| 5 | Fochriw | 12 |
| 6 | Ruabon | 14 |
| 7 | Blackwood | 17 |
| 8 | Caerphilly | 21 |
| 9 | Chepstow | 21 |
| 10 | Chirk | 21 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Unhealthy for sensitive groups
Unhealthy
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News
The latest air quality news and resources.
Wales air quality data attribution
10Contributors
- Welsh Government
21 stations
- UK Air Quality
1 station
3 Government Contributors
- Milking Solutions
1 station
Corporate Contributor
- controlsjedi
1 station
- DJ
1 station
2 Individual Contributors
4 Anonymous contributors4 stations
4 Anonymous Contributors
Which is the most polluted city in Wales?
- Bridgend 45
- Swansea 38
- Cardiff 34
- Port Talbot 33
- Templeton 33
- Newport 31
- Cwmbran 29
- Wrexham 29
- Dyserth 25
- Landore 24
- Caerphilly 21
- Chepstow 21
- Chirk 21
- Blackwood 17
- Ruabon 14
- Fochriw 12
- Cemaes Bay 11
- Crosskeys 11
- Llanerchymedd 11
- Penarth 11
- Rhyl 11
- Taibach 11
- Benllech 10
- Crumlin 10
- Deiniolen 10
- Llanfairpwllgwyngyll 10
- Morriston 10
- Mountain Ash 10
- Neath 10
- Pontypridd 10
- Bishops Moat 9
- Aberystwyth 7
- Carmarthen 7
- Monmouth 4
AQI US, Metric