postcodealert
Updated 10 November 2026, 23:31 UTC
PostcodeAlert
Air quality
Layers
Air quality index
Shading: the middle value for each postcode area.
Monitors
Map display
Boundaries: Office for National Statistics, OGL v3. Postcode areas are approximate.
Air quality and smoke
GREEN · Normalas of 2026-11-10 22:00 UTC (1 h 31 min ago)Sites reporting
181 sites
Highest index now
4 of 10
Sites at Moderate (4 to 6)
1 sites
Sites at High (7 to 9)
0 sites
Sites at Very High (10)
0 sites
Highest index forecast, 5 days
4 of 10
Daily Air Quality Index, 1 (low) to 10 (very high). Status needs at least 2 sites at High or above, so one faulty monitor does not raise it. Measurements are provisional.
Highest sites now
| Site | Index | Band |
|---|---|---|
| Rotherham East Dene | 4 | Moderate |
| Bristol Temple Way | 3 | Low |
| Lerwick | 3 | Low |
| London Farringdon Street | 3 | Low |
| London Hillingdon | 3 | Low |
| Maidstone Upper Stone Street | 3 | Low |
| Sheffield Barnsley Road | 3 | Low |
| Sheffield Tinsley | 3 | Low |
| Southwark A2 Old Kent Road | 3 | Low |
| Stanford-le-Hope Roadside | 3 | Low |
Forecast outlook
| Day | Highest index | Band | Locations high or above | Locations moderate |
|---|---|---|---|---|
| Tue | 4 | Moderate | 0 | 3 |
| Wed | 3 | Low | 0 | 0 |
| Thu | 3 | Low | 0 | 0 |
| Fri | 3 | Low | 0 | 0 |
| Sat | 3 | Low | 0 | 0 |
Source: © Crown 2026 copyright Defra via uk-air.defra.gov.uk, licenced under the Open Government Licence (OGL) · OGL