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  4. Hartford County

Hartford County

Connecticut

2026-03-11 19:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
38.3
O3
μg/m³
105
PM2.5
μg/m³
15.4
NO2
μg/m³
18.8
CO
μg/m³
250
Weather
  • ℃
  • ℉
18℃
68%
21 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
Places included
Avon
AQI 34
Bloomfield
AQI 34
Bristol
AQI 54
Burlington
AQI 34
Canton
AQI 34
East Hartford
AQI 40
East Windsor
AQI 40
Enfield
AQI 40
Farmington
AQI 34
Glastonbury
AQI 40
Hartford
AQI 34
Manchester
AQI 40
New Britain
AQI 34
Newington
AQI 34
Plainville
AQI 34
Rocky Hill
AQI 34
Simsbury
AQI 34
South Windsor
AQI 40
Southington
AQI 54
Suffield
AQI 40
West Hartford
AQI 34
Windsor
AQI 40
Data Sources
http://www.airnow.gov/

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Cities Nearby

Avon
AQI 34
West Hartford
AQI 34
Farmington
AQI 34
Simsbury
AQI 34
Bloomfield
AQI 34
Canton
AQI 34
Hartford
AQI 34
Newington
AQI 34
Burlington
AQI 34
Plainville
AQI 34
New Britain
AQI 34