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  4. Fairfield County

Fairfield County

Connecticut

2026-03-11 09:00
CAQI (Europe)
Low
Pollutants|Pollens
NO2
μg/m³
57.3
PM10
μg/m³
21.3
PM2.5
μg/m³
8.3
O3
μg/m³
19.8
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
13℃
68%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • NO2
  • PM10
  • PM2.5
  • O3
  • SO2
Places included
Bridgeport
AQI 19
Brookfield
AQI 22
Danbury
AQI 22
Darien
AQI 19
Fairfield
AQI 19
Greenwich
AQI 17
Newtown
AQI 22
Norwalk
AQI 19
Redding
AQI 22
Ridgefield
AQI 22
Shelton
AQI 33
Sherman
AQI 22
Stamford
AQI 12
Stratford
AQI 19
Trumbull
AQI 19
Westport
AQI 29
Data Sources
http://www.airnow.gov/

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Cities Nearby

Redding
AQI 22
Ridgefield
AQI 22
Westport
AQI 29
Trumbull
AQI 19
South Salem
AQI 22
Norwalk
AQI 19
Fairfield
AQI 19
Scotts Corners
AQI 22
Danbury
AQI 22
Bridgeport
AQI 19
Newtown
AQI 22