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  4. Union County

Union County

New Jersey

2026-05-06 09:00
AQI (US)
Good
Pollutants|Pollens
NO2
μg/m³
90.4
PM2.5
μg/m³
7.5
CO
μg/m³
375
SO2
μg/m³
0
Weather
  • ℃
  • ℉
18℃
76%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Berkeley Heights
AQI 31
Clark
AQI 31
Cranford
AQI 31
Elizabeth
AQI 57
Fanwood
AQI 31
Garwood
AQI 31
Hillside
AQI 57
Kenilworth
AQI 57
Linden
AQI 31
Mountainside
AQI 31
New Providence
AQI 31
Plainfield
AQI 31
Rahway
AQI 31
Roselle
AQI 57
Roselle Park
AQI 57
Scotch Plains
AQI 31
Springfield Township
AQI 31
Summit
AQI 31
Union
AQI 57
Westfield
AQI 31
Winfield
AQI 31
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 31
Kenilworth
AQI 57
Roselle Park
AQI 57
Roselle
AQI 57
Winfield
AQI 31
Garwood
AQI 31
Clark
AQI 31
Union
AQI 57
Westfield
AQI 31
Springfield Township
AQI 31
Linden
AQI 31