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  3. Connecticut
  4. New Haven County

New Haven County

Connecticut

2025-12-16 15:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
27.4
PM2.5
μg/m³
11.7
O3
μg/m³
42.9
NO2
μg/m³
24
CO
μg/m³
250
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
-1℃
56%
8 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Branford
AQI 24
Derby
AQI 24
East Haven
AQI 24
Guilford
AQI 24
Hamden
AQI 24
Madison
AQI 24
Meriden
AQI 34
Middlebury
AQI 34
Milford
AQI 28
Naugatuck
AQI 34
New Haven
AQI 24
North Haven
AQI 24
Oxford
AQI 34
Waterbury
AQI 34
West Haven
AQI 24
Woodbridge
AQI 24
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 24
East Haven
AQI 24
North Haven
AQI 24
Hamden
AQI 24
New Haven
AQI 24
Guilford
AQI 24
West Haven
AQI 24
Woodbridge
AQI 24
Madison
AQI 24
Clinton
AQI 32
Meriden
AQI 34