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  4. Union County

Union County

New Jersey

2026-08-27 21:00
AQI (China)
Excellent
Pollutants|Pollens
PM2.5
μg/m³
28.6
NO2
μg/m³
61.6
CO
μg/m³
375
SO2
μg/m³
0
Weather
  • ℃
  • ℉
23℃
92%
9 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 31
Fanwood
AQI 57
Garwood
AQI 57
Hillside
AQI 13
Kenilworth
AQI 13
Linden
AQI 57
Mountainside
AQI 57
New Providence
AQI 57
Plainfield
AQI 57
Rahway
AQI 17
Roselle
AQI 13
Roselle Park
AQI 13
Scotch Plains
AQI 57
Springfield Township
AQI 57
Summit
AQI 57
Union
AQI 13
Westfield
AQI 57
Winfield
AQI 57
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 57
Kenilworth
AQI 13
Roselle Park
AQI 13
Roselle
AQI 13
Winfield
AQI 57
Garwood
AQI 57
Clark
AQI 57
Union
AQI 13
Westfield
AQI 57
Springfield Township
AQI 57
Linden
AQI 57