Worst air pollution Acton, today and tomorrow
Today (16 July): Air quality in Acton is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 34.0/100).
Tomorrow (17 July 2026): Air quality in Acton is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 43.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Acton's air quality reflects its position within Ealing, with local traffic and the town's built-up core as the main contributors. Inland breezes from the surrounding countryside help ventilate the town centre, keeping air quality at moderate levels typical for the region. Commuter traffic feeding onto the A55 adds a further, consistent contribution to local readings.
Today - 16 July | Pollution peaks at 15:00
AQI:
Fair
34.0/100
PM2.5 (fine particles):
Good
8.6/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Good
8.8/100
O3 (ozone):
Fair
34.0/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
8.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 16:00
AQI:
Medium
43.6/100
PM2.5 (fine particles):
Good
11.8/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Good
12.5/100
O3 (ozone):
Medium
43.6/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.2/100
PM1 (ultrafine particles):
Good
11.0/100
Pollen forecast in Acton
View pollen forecastFrequently Asked Questions
Is air quality bad in Acton right now?
On 16 July 2026, overall air quality in Acton is fair. AQI is the main air quality indicator at 34.0/100. Pollution peaks around 3:00 PM (O3: 34.0/100).
Will air quality be worse tomorrow in Acton?
On 17 July 2026, air quality conditions in Acton will be better than today, with AQI forecast at medium at 43.6/100. Pollution peaks around 4:00 PM (O3: 43.6/100).
When is air pollution at its worst in Acton?
You can roughly predict Acton's air quality just by knowing the time of year. Through the colder months, readings near the A55 often rise, since chimney smoke and stagnant air stop pollutants clearing away. Summer sunshine can drive up ozone locally, though overall air generally moves and clears more freely than in winter. Spring and autumn are typically the easiest months, air-quality-wise, for most residents.
Are air quality levels in Acton based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app