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  4. Hartford County

Hartford County

Connecticut

2026-06-27 19:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
107.1
PM2.5
μg/m³
6.9
PM10
μg/m³
11.9
NO2
μg/m³
19.8
CO
μg/m³
375
Weather
  • ℃
  • ℉
24℃
77%
3 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
Places included
Avon
AQI 40
Bloomfield
AQI 40
Bristol
AQI 37
Burlington
AQI 40
Canton
AQI 40
East Hartford
AQI 47
East Windsor
AQI 35
Enfield
AQI 44
Farmington
AQI 40
Glastonbury
AQI 35
Hartford
AQI 40
Manchester
AQI 35
New Britain
AQI 40
Newington
AQI 40
Plainville
AQI 40
Rocky Hill
AQI 40
Simsbury
AQI 40
South Windsor
AQI 35
Southington
AQI 37
Suffield
AQI 44
West Hartford
AQI 40
Windsor
AQI 35
Data Sources
http://www.airnow.gov/

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Cities Nearby

Avon
AQI 40
West Hartford
AQI 40
Farmington
AQI 40
Simsbury
AQI 40
Bloomfield
AQI 40
Canton
AQI 40
Hartford
AQI 40
Newington
AQI 40
Burlington
AQI 40
Plainville
AQI 40
New Britain
AQI 40