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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 | Aberystwyth | 52 |
| 2 | Pontypridd | 45 |
| 3 | Carmarthen | 42 |
| 4 | Bridgend | 37 |
| 5 | Chepstow | 37 |
| 6 | Dyserth | 37 |
| 7 | Blackwood | 33 |
| 8 | Cardiff | 33 |
| 9 | Templeton | 33 |
| 10 | Cwmbran | 29 |
(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 | 12 |
| 2 | Ruabon | 13 |
| 3 | Fochriw | 21 |
| 4 | Port Talbot | 21 |
| 5 | Caerphilly | 25 |
| 6 | Monmouth | 28 |
| 7 | Cwmbran | 29 |
| 8 | Newport | 29 |
| 9 | Wrexham | 29 |
| 10 | Blackwood | 33 |
(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?
- Aberystwyth 52
- Pontypridd 45
- Carmarthen 42
- Bridgend 37
- Chepstow 37
- Dyserth 37
- Blackwood 33
- Cardiff 33
- Templeton 33
- Cwmbran 29
- Newport 29
- Wrexham 29
- Monmouth 28
- Caerphilly 25
- Fochriw 21
- Port Talbot 21
- Deiniolen 17
- Llanerchymedd 16
- Llanfairpwllgwyngyll 16
- Rhyl 16
- Benllech 15
- Landore 15
- Morriston 15
- Swansea 15
- Cemaes Bay 14
- Neath 14
- Bishops Moat 13
- Ruabon 13
- Taibach 13
- Chirk 12
- Crosskeys 10
- Crumlin 10
- Mountain Ash 10
- Penarth 10
AQI US, Metric