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

New Haven County

Connecticut

2026-10-20 12:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
5.3
NO2
μg/m³
42.5
PM10
μg/m³
14.9
O3
μg/m³
12.9
CO
μg/m³
375
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
13℃
65%
35 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • PM10
  • O3
  • CO
  • SO2
Places included
Branford
AQI 25
Derby
AQI 25
East Haven
AQI 25
Guilford
AQI 25
Hamden
AQI 25
Madison
AQI 25
Meriden
AQI 41
Middlebury
AQI 41
Milford
AQI 22
Naugatuck
AQI 41
New Haven
AQI 25
North Haven
AQI 25
Oxford
AQI 41
Waterbury
AQI 41
West Haven
AQI 25
Woodbridge
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 25
East Haven
AQI 25
North Haven
AQI 25
Hamden
AQI 25
New Haven
AQI 25
Guilford
AQI 25
West Haven
AQI 25
Woodbridge
AQI 25
Madison
AQI 25
Clinton
AQI 26
Meriden
AQI 41