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  4. Union County

Union County

New Jersey

2026-08-25 19:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
2.8
NO2
μg/m³
8.2
CO
μg/m³
250
SO2
μg/m³
0
Weather
  • ℃
  • ℉
26℃
54%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Berkeley Heights
AQI 20
Clark
AQI 20
Cranford
AQI 20
Elizabeth
AQI 5
Fanwood
AQI 20
Garwood
AQI 20
Hillside
AQI 5
Kenilworth
AQI 5
Linden
AQI 20
Mountainside
AQI 20
New Providence
AQI 20
Plainfield
AQI 20
Rahway
AQI 20
Roselle
AQI 5
Roselle Park
AQI 5
Scotch Plains
AQI 20
Springfield Township
AQI 20
Summit
AQI 20
Union
AQI 5
Westfield
AQI 20
Winfield
AQI 20
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 20
Kenilworth
AQI 5
Roselle Park
AQI 5
Roselle
AQI 5
Winfield
AQI 20
Garwood
AQI 20
Clark
AQI 20
Union
AQI 5
Westfield
AQI 20
Springfield Township
AQI 20
Linden
AQI 20