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  4. Hartford County

Hartford County

Connecticut

2026-05-19 15:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
145.7
PM10
μg/m³
37.7
NO2
μg/m³
28.2
PM2.5
μg/m³
20.3
CO
μg/m³
375
Weather
  • ℃
  • ℉
32℃
51%
20 kph
8 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
Places included
Avon
AQI 43
Bloomfield
AQI 43
Bristol
AQI 29
Burlington
AQI 43
Canton
AQI 43
East Hartford
AQI 168
East Windsor
AQI 34
Enfield
AQI 34
Farmington
AQI 43
Glastonbury
AQI 34
Hartford
AQI 54
Manchester
AQI 34
New Britain
AQI 43
Newington
AQI 43
Plainville
AQI 43
Rocky Hill
AQI 43
Simsbury
AQI 43
South Windsor
AQI 34
Southington
AQI 29
Suffield
AQI 34
West Hartford
AQI 43
Windsor
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

Avon
AQI 43
West Hartford
AQI 43
Farmington
AQI 43
Simsbury
AQI 43
Bloomfield
AQI 43
Canton
AQI 43
Hartford
AQI 54
Newington
AQI 43
Burlington
AQI 43
Plainville
AQI 43
New Britain
AQI 43