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  4. Hartford County

Hartford County

Connecticut

2026-05-13 21:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
115.7
PM10
μg/m³
23.7
NO2
μg/m³
21.9
PM2.5
μg/m³
5.6
CO
μg/m³
250
Weather
  • ℃
  • ℉
16℃
58%
24 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
Places included
Avon
AQI 23
Bloomfield
AQI 23
Bristol
AQI 38
Burlington
AQI 23
Canton
AQI 23
East Hartford
AQI 37
East Windsor
AQI 22
Enfield
AQI 22
Farmington
AQI 23
Glastonbury
AQI 22
Hartford
AQI 20
Manchester
AQI 22
New Britain
AQI 23
Newington
AQI 23
Plainville
AQI 23
Rocky Hill
AQI 23
Simsbury
AQI 23
South Windsor
AQI 22
Southington
AQI 38
Suffield
AQI 22
West Hartford
AQI 23
Windsor
AQI 22
Data Sources
http://www.airnow.gov/

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Cities Nearby

Avon
AQI 23
West Hartford
AQI 23
Farmington
AQI 23
Simsbury
AQI 23
Bloomfield
AQI 23
Canton
AQI 23
Hartford
AQI 20
Newington
AQI 23
Burlington
AQI 23
Plainville
AQI 23
New Britain
AQI 23