Worst air pollution Sudbury, today and tomorrow
Today (16 July): Air quality in Sudbury is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 31.8/100).
Tomorrow (17 July 2026): Air quality in Sudbury is fair. All pollutants stay as today. Pollution peaks around 2:00 PM (O3: 34.1/100). 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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Sudbury's air quality reflects its position within Suffolk, with local traffic and the town's built-up core as the main contributors. Traffic on the M3 is the most significant local emissions source, especially at peak times. Residential heating and light industry add a modest seasonal contribution, though light prevailing breezes keep overall levels moderate.
Today - 16 July | Pollution peaks at 16:00
AQI:
Fair
31.8/100
PM2.5 (fine particles):
Good
16.5/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Fair
28.2/100
O3 (ozone):
Fair
31.8/100
SO2 (sulfur dioxide):
Good
5.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
14.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Fair
34.1/100
PM2.5 (fine particles):
Good
18.6/100
PM10 (coarse particles):
Good
6.4/100
NO2 (nitrogen dioxide):
Fair
32.4/100
O3 (ozone):
Fair
34.1/100
SO2 (sulfur dioxide):
Good
5.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.8/100
PM1 (ultrafine particles):
Good
16.5/100
Pollen forecast in Sudbury
View pollen forecastFrequently Asked Questions
Is air quality bad in Sudbury right now?
On 16 July 2026, overall air quality in Sudbury is fair. AQI is the main air quality indicator at 31.8/100. Pollution peaks around 4:00 PM (O3: 31.8/100).
Will air quality be worse tomorrow in Sudbury?
On 17 July 2026, air quality conditions in Sudbury will be similar to today, with AQI forecast at fair at 34.1/100. Pollution peaks around 2:00 PM (O3: 34.1/100).
When is air pollution at its worst in Sudbury?
Here's the thing about Sudbury: air quality has a clear seasonal rhythm. Summer's more of a mixed bag: ozone can spike in strong sun, but overall dispersion tends to be better than the depths of winter. Through the colder months, readings near the M3 often rise, since chimney smoke and stagnant air stop pollutants clearing away. Spring and autumn don't usually cause much concern, sitting comfortably between winter's peak and summer's ozone spikes.
Are air quality levels in Sudbury 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