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

New Haven County

Connecticut

2025-12-28 14:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
10.2
NO2
μg/m³
45.2
PM10
μg/m³
14.9
O3
μg/m³
25.7
CO
μg/m³
375
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
-3℃
77%
3 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • NO2
  • PM10
  • O3
  • CO
  • SO2
Places included
Branford
AQI 54
Derby
AQI 54
East Haven
AQI 54
Guilford
AQI 54
Hamden
AQI 54
Madison
AQI 54
Meriden
AQI 52
Middlebury
AQI 52
Milford
AQI 41
Naugatuck
AQI 52
New Haven
AQI 54
North Haven
AQI 54
Oxford
AQI 52
Waterbury
AQI 52
West Haven
AQI 54
Woodbridge
AQI 54
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 54
East Haven
AQI 54
North Haven
AQI 54
Hamden
AQI 54
New Haven
AQI 54
Guilford
AQI 54
West Haven
AQI 54
Woodbridge
AQI 54
Madison
AQI 54
Clinton
AQI 44
Meriden
AQI 52