UK Air Quality Today
At 03:00 BST on 20 October 2026, 0 of 206 UK air quality monitoring sites reported Moderate or higher air pollution (index 4+). 206 sites were Low. Source: Defra UK-AIR.
UK-AIR forecast ↗ UK weather warnings
Your location is used once to find nearby sites and is not stored.
Low: 206 Moderate: 0 High: 0 Very High: 0
Every site, highest first 206
What to do at each level
- Low (1-3): enjoy usual outdoor activities.
- Moderate (4-6): adults and children with lung or heart problems who feel unwell should consider doing less strenuous activity outdoors.
- High (7-9): people with lung or heart problems and older people should reduce physical exertion; anyone with sore eyes, cough or sore throat should cut down outdoors.
- Very High (10): everyone should reduce physical exertion outdoors, especially with symptoms. People with asthma may need their reliever inhaler more often.
What this page shows, and what it misses
The latest hourly Daily Air Quality Index from each automatic monitoring site in Defra's UK-AIR network, as published in its current-levels feed — the highest of the pollutants each site measures. Readings are provisional. Sites with no current reading are left out, and a monitor shows the air at its own location, not the whole town.
© Crown 2026 copyright Defra via uk-air.defra.gov.uk, licensed under the Open Government Licence (OGL).