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

New Haven County

Connecticut

2025-12-31 13:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
51.4
PM2.5
μg/m³
2.8
NO2
μg/m³
33.3
PM10
μg/m³
7.5
CO
μg/m³
375
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
-2℃
54%
21 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • PM10
  • 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 13
Middlebury
AQI 13
Milford
AQI 22
Naugatuck
AQI 13
New Haven
AQI 23
North Haven
AQI 17
Oxford
AQI 13
Waterbury
AQI 13
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 23
Guilford
AQI 17
West Haven
AQI 17
Woodbridge
AQI 17
Madison
AQI 17
Clinton
AQI 29
Meriden
AQI 13