Air quality in London today
United Kingdom · Updated Friday 01:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Moderate European AQI
Sensitive people may want to take it easier outdoors.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 8 µg/m³ | Good |
| PM10 | 13 µg/m³ | Good |
| NO₂ | 39 µg/m³ | Good |
| O₃ | 31 µg/m³ | Good |
The pollutant that matters most in London right now is NO₂.
Forecast: next 24 hours
Over the next 24 hours the air in London is expected to be worst around Fri 08:00 (AQI 56, moderate). The cleanest hour is expected around Sat 01:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 02:00 | 43 | Moderate | 9 |
| Fri 05:00 | 40 | Fair | 10 |
| Fri 08:00 | 56 | Moderate | 15 |
| Fri 11:00 | 49 | Moderate | 18 |
| Fri 14:00 | 34 | Fair | 9 |
| Fri 17:00 | 35 | Fair | 7 |
| Fri 20:00 | 43 | Moderate | 8 |
| Fri 23:00 | 44 | Moderate | 12 |
The last 30 days
Over the last 30 days the average daily AQI in London was 30, with 0 day(s) rated poor or worse. The cleanest day was 3 Sept, the most polluted 22 Sept.
Questions and answers
- Is the air in London good today?
- Right now the European Air Quality Index in London is 48, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in London?
- At the moment NO₂ contributes most to the air quality index in London. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in London be cleanest?
- Over the next 24 hours the air in London is expected to be worst around Fri 08:00 (AQI 56, moderate). The cleanest hour is expected around Sat 01:00.
- Where does this data come from?
- Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.