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  4. Union County

Union County

New Jersey

2026-08-27 20:00
AQI (China)
Excellent
Pollutants|Pollens
PM2.5
μg/m³
29.4
NO2
μg/m³
34.9
CO
μg/m³
125
SO2
μg/m³
0
Weather
  • ℃
  • ℉
22℃
92%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Berkeley Heights
AQI 57
Clark
AQI 57
Cranford
AQI 57
Elizabeth
AQI 18
Fanwood
AQI 57
Garwood
AQI 57
Hillside
AQI 9
Kenilworth
AQI 9
Linden
AQI 57
Mountainside
AQI 57
New Providence
AQI 57
Plainfield
AQI 57
Rahway
AQI 57
Roselle
AQI 9
Roselle Park
AQI 9
Scotch Plains
AQI 57
Springfield Township
AQI 57
Summit
AQI 57
Union
AQI 9
Westfield
AQI 57
Winfield
AQI 57
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 57
Kenilworth
AQI 9
Roselle Park
AQI 9
Roselle
AQI 9
Winfield
AQI 57
Garwood
AQI 57
Clark
AQI 57
Union
AQI 9
Westfield
AQI 57
Springfield Township
AQI 57
Linden
AQI 57