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

New Haven County

Connecticut

2025-12-20 05:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
51.4
PM2.5
μg/m³
3.2
PM10
μg/m³
7.3
NO2
μg/m³
6.8
CO
μg/m³
250
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
-1℃
59%
16 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Branford
AQI 18
Derby
AQI 18
East Haven
AQI 18
Guilford
AQI 18
Hamden
AQI 18
Madison
AQI 18
Meriden
AQI 18
Middlebury
AQI 18
Milford
AQI 18
Naugatuck
AQI 18
New Haven
AQI 23
North Haven
AQI 18
Oxford
AQI 18
Waterbury
AQI 18
West Haven
AQI 18
Woodbridge
AQI 18
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 18
East Haven
AQI 18
North Haven
AQI 18
Hamden
AQI 18
New Haven
AQI 23
Guilford
AQI 18
West Haven
AQI 18
Woodbridge
AQI 18
Madison
AQI 18
Clinton
AQI 26
Meriden
AQI 18