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  2. United States
  3. Connecticut
  4. New Haven County

New Haven County

Connecticut

2026-10-20 20:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
77.1
PM2.5
μg/m³
2.8
PM10
μg/m³
10.4
NO2
μg/m³
10.3
CO
μg/m³
250
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
18℃
45%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Branford
AQI 17
Derby
AQI 17
East Haven
AQI 17
Guilford
AQI 17
Hamden
AQI 17
Madison
AQI 17
Meriden
AQI 14
Middlebury
AQI 14
Milford
AQI 15
Naugatuck
AQI 14
New Haven
AQI 34
North Haven
AQI 17
Oxford
AQI 14
Waterbury
AQI 14
West Haven
AQI 17
Woodbridge
AQI 17
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 17
East Haven
AQI 17
North Haven
AQI 17
Hamden
AQI 17
New Haven
AQI 34
Guilford
AQI 17
West Haven
AQI 17
Woodbridge
AQI 17
Madison
AQI 17
Clinton
AQI 35
Meriden
AQI 14