Worst air pollution Exeter, today and tomorrow
Today (16 July): Air quality in Exeter is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 29.1/100).
Tomorrow (17 July 2026): Air quality in Exeter is fair. AQI improves to medium; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 42.3/100). 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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Like much of Devon, Exeter's air quality is shaped less by industry these days and more by everyday road traffic. The M8 generates consistent traffic-related NO₂ and PM2.5, particularly during peak commuting hours. The area's changeable Atlantic weather help ventilate the town centre, keeping air quality at moderate levels typical for the region.
Today - 16 July | Pollution peaks at 17:00
AQI:
Fair
29.1/100
PM2.5 (fine particles):
Good
9.9/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Fair
22.2/100
O3 (ozone):
Fair
29.1/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
7.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 20:00
AQI:
Medium
42.3/100
PM2.5 (fine particles):
Good
14.3/100
PM10 (coarse particles):
Good
4.8/100
NO2 (nitrogen dioxide):
Medium
42.3/100
O3 (ozone):
Fair
23.0/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
13.8/100
Pollen forecast in Exeter
View pollen forecastFrequently Asked Questions
Is air quality bad in Exeter right now?
On 16 July 2026, overall air quality in Exeter is fair. AQI is the main air quality indicator at 29.1/100. Pollution peaks around 5:00 PM (O3: 29.1/100).
Will air quality be worse tomorrow in Exeter?
On 17 July 2026, air quality conditions in Exeter will be similar to today, with O3 forecast at fair at 23.0/100. Pollution peaks around 8:00 PM (NO2: 42.3/100).
When is air pollution at its worst in Exeter?
Exeter's air quality follows a familiar seasonal pattern most UK towns share. In deep winter, a lack of wind lets M8 traffic fumes and woodsmoke settle instead of blowing through. Summer sunshine can drive up ozone locally, though overall air generally moves and clears more freely than in winter. 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 Exeter 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