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  4. Union County

Union County

New Jersey

2026-03-11 12:00
AQI (China)
Good
Pollutants|Pollens
NO2
μg/m³
106.8
PM2.5
μg/m³
15.8
CO
μg/m³
625
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
17℃
64%
7 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Berkeley Heights
AQI 19
Clark
AQI 19
Cranford
AQI 19
Elizabeth
AQI 54
Fanwood
AQI 19
Garwood
AQI 19
Hillside
AQI 33
Kenilworth
AQI 33
Linden
AQI 19
Mountainside
AQI 19
New Providence
AQI 19
Plainfield
AQI 19
Rahway
AQI 19
Roselle
AQI 33
Roselle Park
AQI 33
Scotch Plains
AQI 19
Springfield Township
AQI 19
Summit
AQI 19
Union
AQI 33
Westfield
AQI 19
Winfield
AQI 19
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 19
Kenilworth
AQI 33
Roselle Park
AQI 33
Roselle
AQI 33
Winfield
AQI 19
Garwood
AQI 19
Clark
AQI 19
Union
AQI 33
Westfield
AQI 19
Springfield Township
AQI 19
Linden
AQI 19