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  4. Hartford County

Hartford County

Connecticut

2026-01-21 03:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
29.3
NO2
μg/m³
43.9
O3
μg/m³
40.7
PM2.5
μg/m³
7.5
CO
μg/m³
375
Weather
  • ℃
  • ℉
-13℃
62%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • NO2
  • O3
  • PM2.5
  • CO
Places included
Avon
AQI 37
Bloomfield
AQI 37
Bristol
AQI 36
Burlington
AQI 37
Canton
AQI 37
East Hartford
AQI 21
East Windsor
AQI 16
Enfield
AQI 16
Farmington
AQI 37
Glastonbury
AQI 16
Hartford
AQI 37
Manchester
AQI 16
New Britain
AQI 37
Newington
AQI 37
Plainville
AQI 37
Rocky Hill
AQI 37
Simsbury
AQI 37
South Windsor
AQI 16
Southington
AQI 36
Suffield
AQI 16
West Hartford
AQI 37
Windsor
AQI 16
Data Sources
http://www.airnow.gov/

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Cities Nearby

Avon
AQI 37
West Hartford
AQI 37
Farmington
AQI 37
Simsbury
AQI 37
Bloomfield
AQI 37
Canton
AQI 37
Hartford
AQI 37
Newington
AQI 37
Burlington
AQI 37
Plainville
AQI 37
New Britain
AQI 37