Worst air pollution Sutton, today and tomorrow
Today (20 September): Air quality in Sutton is moderate. AQI, PM2.5, and NO2 are moderate; PM10 is fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (NO2: 43.3/100).
Tomorrow (21 September 2026): Air quality in Sutton is moderate. O3 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 55.4/100). 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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Sutton's air quality reflects its position within Sutton, with local traffic and the town's built-up core as the main contributors. The nearby A1 corridor contributes steady vehicle emissions that affect roadside readings. The area's changeable Atlantic weather tend to disperse pollutants reasonably well, keeping readings close to typical UK small-town levels.
Today - 20 September | Pollution peaks at 22:00
AQI:
Moderate
43.3/100
PM2.5 (fine particles):
Moderate
40.6/100
PM10 (coarse particles):
Fair
25.5/100
NO2 (nitrogen dioxide):
Moderate
43.3/100
O3 (ozone):
Good
19.0/100
SO2 (sulfur dioxide):
Good
5.6/100
CO (carbon monoxide):
Good
1.0/100
HCHO (formaldehyde):
Good
7.8/100
PM1 (ultrafine particles):
Good
16.6/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 20:00
AQI:
Moderate
55.4/100
PM2.5 (fine particles):
Moderate
44.1/100
PM10 (coarse particles):
Fair
32.4/100
NO2 (nitrogen dioxide):
Moderate
55.4/100
O3 (ozone):
Fair
24.9/100
SO2 (sulfur dioxide):
Good
7.1/100
CO (carbon monoxide):
Good
1.4/100
HCHO (formaldehyde):
Good
11.3/100
PM1 (ultrafine particles):
Fair
25.1/100
Pollen forecast in Sutton
View pollen forecastFrequently Asked Questions
Is air quality bad in Sutton right now?
On 20 September 2026, overall air quality in Sutton is moderate. AQI is the main air quality indicator at 43.3/100. Pollution peaks around 10:00 PM (NO2: 43.3/100).
Will air quality be worse tomorrow in Sutton?
On 21 September 2026, air quality conditions in Sutton will be similar to today, with AQI forecast at moderate at 55.4/100. Pollution peaks around 8:00 PM (NO2: 55.4/100).
When is air pollution at its worst in Sutton?
Spring and autumn don't usually cause much concern, sitting comfortably between winter's peak and summer's ozone spikes. In Sutton, pollution levels don't stay flat — winter and summer look pretty different. Winter mornings can be the trickiest, with cold, still conditions trapping A1 traffic fumes and smoke from home fires close to the ground. Warmer months swap one problem for another — less smoke and heating pollution, but more ozone on the sunniest days.
Are air quality levels in Sutton 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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