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  4. Fairfield County

Fairfield County

Connecticut

2026-09-04 03:00
AQI (UK)
Low
Pollutants|Pollens
O3
μg/m³
47.1
PM10
μg/m³
19.5
NO2
μg/m³
55.2
PM2.5
μg/m³
7.3
SO2
μg/m³
14
Weather
  • ℃
  • ℉
22℃
91%
21 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • SO2
Places included
Bridgeport
AQI 2
Brookfield
AQI 2
Danbury
AQI 2
Darien
AQI 2
Fairfield
AQI 2
Greenwich
AQI 3
Newtown
AQI 2
Norwalk
AQI 2
Redding
AQI 2
Ridgefield
AQI 2
Shelton
AQI 1
Sherman
AQI 2
Stamford
AQI 1
Stratford
AQI 3
Trumbull
AQI 2
Westport
AQI 2
Data Sources
http://www.airnow.gov/

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Cities Nearby

Redding
AQI 2
Ridgefield
AQI 2
Westport
AQI 2
Trumbull
AQI 2
South Salem
AQI 2
Norwalk
AQI 2
Fairfield
AQI 2
Scotts Corners
AQI 2
Danbury
AQI 2
Bridgeport
AQI 2
Newtown
AQI 2