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

New Haven County

Connecticut

2026-10-12 19:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
75
PM2.5
μg/m³
2.7
PM10
μg/m³
7.4
CO
μg/m³
625
NO2
μg/m³
6.6
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
19℃
73%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • CO
  • NO2
  • SO2
Places included
Branford
AQI 18
Derby
AQI 18
East Haven
AQI 18
Guilford
AQI 18
Hamden
AQI 18
Madison
AQI 18
Meriden
AQI 13
Middlebury
AQI 13
Milford
AQI 6
Naugatuck
AQI 13
New Haven
AQI 33
North Haven
AQI 18
Oxford
AQI 13
Waterbury
AQI 13
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 33
Guilford
AQI 18
West Haven
AQI 18
Woodbridge
AQI 18
Madison
AQI 18
Clinton
AQI 35
Meriden
AQI 13