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  4. Fairfield County

Fairfield County

Connecticut

2026-03-11 07:00
CAQI (Europe)
Very Low
Pollutants|Pollens
NO2
μg/m³
49.5
PM10
μg/m³
23.1
PM2.5
μg/m³
10.4
O3
μg/m³
16.6
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
14℃
65%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • NO2
  • PM10
  • PM2.5
  • O3
  • SO2
Places included
Bridgeport
AQI 23
Brookfield
AQI 24
Danbury
AQI 24
Darien
AQI 23
Fairfield
AQI 23
Greenwich
AQI 16
Newtown
AQI 24
Norwalk
AQI 23
Redding
AQI 24
Ridgefield
AQI 24
Shelton
AQI 19
Sherman
AQI 24
Stamford
AQI 16
Stratford
AQI 26
Trumbull
AQI 23
Westport
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

Redding
AQI 24
Ridgefield
AQI 24
Westport
AQI 25
Trumbull
AQI 23
South Salem
AQI 24
Norwalk
AQI 23
Fairfield
AQI 23
Scotts Corners
AQI 24
Danbury
AQI 24
Bridgeport
AQI 23
Newtown
AQI 24