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Connecticut

United States

2026-09-04 21:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
72.1
PM10
μg/m³
9.9
PM2.5
μg/m³
4.9
NO2
μg/m³
5.2
CO
μg/m³
166.7
SO2
μg/m³
0
Weather
  • ℃
  • ℉
23℃
70%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Fairfield County
AQI 23
Hartford County
AQI 24
Litchfield County
AQI 23
Middlesex County
AQI 25
New Haven County
AQI 23
New London County
AQI 24
Tolland County
AQI 19
Windham County
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Waterbury
AQI 11
Thomaston
AQI 11
Middlebury
AQI 11
Woodbury
AQI 11
Naugatuck
AQI 11
Bristol
AQI 11
Southington
AQI 11
Harwinton
AQI 10
Oxford
AQI 11
Plainville
AQI 11
Burlington
AQI 11