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  4. New Haven County

New Haven County

Connecticut

2026-09-01 00:00
AQI (UK)
Low
Pollutants|Pollens
O3
μg/m³
76.1
PM10
μg/m³
12.1
PM2.5
μg/m³
5.4
NO2
μg/m³
15
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
21℃
84%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
Places included
Branford
AQI 1
Derby
AQI 1
East Haven
AQI 1
Guilford
AQI 1
Hamden
AQI 1
Madison
AQI 3
Meriden
AQI 1
Middlebury
AQI 1
Milford
AQI 1
Naugatuck
AQI 1
New Haven
AQI 3
North Haven
AQI 1
Oxford
AQI 1
Waterbury
AQI 1
West Haven
AQI 1
Woodbridge
AQI 1
Data Sources
http://www.airnow.gov/

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Cities Nearby

Branford
AQI 1
East Haven
AQI 1
North Haven
AQI 1
Hamden
AQI 1
New Haven
AQI 3
Guilford
AQI 1
West Haven
AQI 1
Woodbridge
AQI 1
Madison
AQI 3
Clinton
AQI 3
Meriden
AQI 1