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

New Haven County

Connecticut

2026-10-19 04:00
AQI (China)
Excellent
Pollutants|Pollens
NO2
μg/m³
50.1
PM10
μg/m³
16.9
PM2.5
μg/m³
9.8
CO
μg/m³
875
SO2
μg/m³
1.4
O3
μg/m³
0
Weather
  • ℃
  • ℉
4℃
94%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM10
  • PM2.5
  • CO
  • SO2
  • O3
Places included
Branford
AQI 21
Derby
AQI 21
East Haven
AQI 21
Guilford
AQI 21
Hamden
AQI 21
Madison
AQI 21
Meriden
AQI 9
Middlebury
AQI 9
Milford
AQI 15
Naugatuck
AQI 9
New Haven
AQI 26
North Haven
AQI 21
Oxford
AQI 9
Waterbury
AQI 9
West Haven
AQI 21
Woodbridge
AQI 21
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 21
East Haven
AQI 21
North Haven
AQI 21
Hamden
AQI 21
New Haven
AQI 26
Guilford
AQI 21
West Haven
AQI 21
Woodbridge
AQI 21
Madison
AQI 21
Clinton
AQI 21
Meriden
AQI 9