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  4. Middlesex County

Middlesex County

Connecticut

2026-08-16 11:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
5.5
PM10
μg/m³
9.5
O3
μg/m³
15
Weather
  • ℃
  • ℉
20℃
70%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Clinton
AQI 39
Middletown
AQI 30
Old Saybrook
AQI 32
Westbrook
AQI 40
Data Sources
http://www.airnow.gov/

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Cities Nearby

Middletown
AQI 30
Westbrook
AQI 40
Old Saybrook
AQI 32
Clinton
AQI 39
Madison
AQI 28
Hebron
AQI 33
Glastonbury
AQI 33
Guilford
AQI 28
Rocky Hill
AQI 30
Montville
AQI 32
Lebanon
AQI 36