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  4. Hartford County

Hartford County

Connecticut

2026-02-17 01:00
AQI (India)
Moderately polluted
Pollutants|Pollens
NO2
μg/m³
90.2
CO
μg/m³
750
PM10
μg/m³
27.4
PM2.5
μg/m³
10.9
O3
μg/m³
2.1
Weather
  • ℃
  • ℉
-3℃
79%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • NO2
  • CO
  • PM10
  • PM2.5
  • O3
Places included
Avon
AQI 22
Bloomfield
AQI 22
Bristol
AQI 65
Burlington
AQI 22
Canton
AQI 22
East Hartford
AQI 107
East Windsor
AQI 26
Enfield
AQI 26
Farmington
AQI 22
Glastonbury
AQI 26
Hartford
AQI 114
Manchester
AQI 26
New Britain
AQI 22
Newington
AQI 22
Plainville
AQI 22
Rocky Hill
AQI 22
Simsbury
AQI 22
South Windsor
AQI 26
Southington
AQI 65
Suffield
AQI 26
West Hartford
AQI 22
Windsor
AQI 26
Data Sources
http://www.airnow.gov/

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Cities Nearby

Avon
AQI 22
West Hartford
AQI 22
Farmington
AQI 22
Simsbury
AQI 22
Bloomfield
AQI 22
Canton
AQI 22
Hartford
AQI 114
Newington
AQI 22
Burlington
AQI 22
Plainville
AQI 22
New Britain
AQI 22