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  4. Hartford County

Hartford County

Connecticut

2026-03-11 17:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.5
O3
μg/m³
75
PM10
μg/m³
22.5
NO2
μg/m³
18.7
CO
μg/m³
500
Weather
  • ℃
  • ℉
20℃
56%
17 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
Places included
Avon
AQI 50
Bloomfield
AQI 50
Bristol
AQI 53
Burlington
AQI 50
Canton
AQI 50
East Hartford
AQI 40
East Windsor
AQI 40
Enfield
AQI 43
Farmington
AQI 50
Glastonbury
AQI 40
Hartford
AQI 50
Manchester
AQI 40
New Britain
AQI 50
Newington
AQI 50
Plainville
AQI 50
Rocky Hill
AQI 50
Simsbury
AQI 50
South Windsor
AQI 40
Southington
AQI 53
Suffield
AQI 43
West Hartford
AQI 50
Windsor
AQI 40
Data Sources
http://www.airnow.gov/

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Cities Nearby

Avon
AQI 50
West Hartford
AQI 50
Farmington
AQI 50
Simsbury
AQI 50
Bloomfield
AQI 50
Canton
AQI 50
Hartford
AQI 50
Newington
AQI 50
Burlington
AQI 50
Plainville
AQI 50
New Britain
AQI 50