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  4. Union County

Union County

New Jersey

2026-05-09 11:00
AQI (China)
Excellent
Pollutants|Pollens
NO2
μg/m³
53.4
PM2.5
μg/m³
10.9
CO
μg/m³
500
SO2
μg/m³
0
Weather
  • ℃
  • ℉
15℃
73%
7 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Berkeley Heights
AQI 15
Clark
AQI 15
Cranford
AQI 15
Elizabeth
AQI 27
Fanwood
AQI 15
Garwood
AQI 15
Hillside
AQI 19
Kenilworth
AQI 19
Linden
AQI 15
Mountainside
AQI 15
New Providence
AQI 15
Plainfield
AQI 15
Rahway
AQI 15
Roselle
AQI 19
Roselle Park
AQI 19
Scotch Plains
AQI 15
Springfield Township
AQI 15
Summit
AQI 15
Union
AQI 19
Westfield
AQI 15
Winfield
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 15
Kenilworth
AQI 19
Roselle Park
AQI 19
Roselle
AQI 19
Winfield
AQI 15
Garwood
AQI 15
Clark
AQI 15
Union
AQI 19
Westfield
AQI 15
Springfield Township
AQI 15
Linden
AQI 15