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  4. Union County

Union County

New Jersey

2026-08-25 11:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.3
NO2
μg/m³
34.9
CO
μg/m³
375
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
21℃
67%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Berkeley Heights
AQI 39
Clark
AQI 39
Cranford
AQI 39
Elizabeth
AQI 25
Fanwood
AQI 39
Garwood
AQI 39
Hillside
AQI 25
Kenilworth
AQI 25
Linden
AQI 39
Mountainside
AQI 39
New Providence
AQI 39
Plainfield
AQI 39
Rahway
AQI 39
Roselle
AQI 25
Roselle Park
AQI 25
Scotch Plains
AQI 39
Springfield Township
AQI 39
Summit
AQI 39
Union
AQI 25
Westfield
AQI 39
Winfield
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 39
Kenilworth
AQI 25
Roselle Park
AQI 25
Roselle
AQI 25
Winfield
AQI 39
Garwood
AQI 39
Clark
AQI 39
Union
AQI 25
Westfield
AQI 39
Springfield Township
AQI 39
Linden
AQI 39