Crap Towns / Colchester / Air quality

How dirty is the air in Colchester?

People in Colchester breathed an average of 9.3 micrograms of nitrogen dioxide per cubic metre in 2024, 15% higher than the typical town's 8.1, and 7.2 of fine particles (PM2.5), 7% higher than the typical town's 6.7. The fine particles are over the World Health Organization's guideline of 5; the nitrogen dioxide is within its 10.

Micrograms per cubic metre, 2024 average
PollutantHereTypical townWHO guideline
Nitrogen dioxide (NO2)9.38.110
Fine particles (PM2.5)7.26.75
Nearby towns
TownDistanceNitrogen dioxide, µg/m³
Colchester–9.3
Clacton-on-Sea19.6 km7.9
Berechurch3.3 km7.5
Tiptree14.1 km7.2
Sudbury20.0 km7.2
Wivenhoe5.2 km7.1
Brightlingsea12.2 km7.0
Hadleigh17.6 km7.0
Halstead19.3 km7.0
West Mersea12.7 km6.5
Jaywick19.1 km6.2
The typical town–8.1