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

New Haven County

Connecticut

2025-12-11 16:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
72.9
PM2.5
μg/m³
2.3
PM10
μg/m³
13.1
NO2
μg/m³
8.2
CO
μg/m³
250
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
0℃
45%
26 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Branford
AQI 14
Derby
AQI 14
East Haven
AQI 14
Guilford
AQI 14
Hamden
AQI 14
Madison
AQI 14
Meriden
AQI 14
Middlebury
AQI 14
Milford
AQI 8
Naugatuck
AQI 14
New Haven
AQI 32
North Haven
AQI 14
Oxford
AQI 14
Waterbury
AQI 14
West Haven
AQI 14
Woodbridge
AQI 14
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 14
East Haven
AQI 14
North Haven
AQI 14
Hamden
AQI 14
New Haven
AQI 32
Guilford
AQI 14
West Haven
AQI 14
Woodbridge
AQI 14
Madison
AQI 14
Clinton
AQI 32
Meriden
AQI 14