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  4. Union County

Union County

New Jersey

2026-06-21 03:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.2
NO2
μg/m³
10.3
CO
μg/m³
250
SO2
μg/m³
0
Weather
  • ℃
  • ℉
20℃
66%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Berkeley Heights
AQI 18
Clark
AQI 18
Cranford
AQI 18
Elizabeth
AQI 38
Fanwood
AQI 18
Garwood
AQI 18
Hillside
AQI 38
Kenilworth
AQI 38
Linden
AQI 18
Mountainside
AQI 18
New Providence
AQI 18
Plainfield
AQI 18
Rahway
AQI 18
Roselle
AQI 38
Roselle Park
AQI 38
Scotch Plains
AQI 18
Springfield Township
AQI 18
Summit
AQI 18
Union
AQI 38
Westfield
AQI 18
Winfield
AQI 18
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 18
Kenilworth
AQI 38
Roselle Park
AQI 38
Roselle
AQI 38
Winfield
AQI 18
Garwood
AQI 18
Clark
AQI 18
Union
AQI 38
Westfield
AQI 18
Springfield Township
AQI 18
Linden
AQI 18