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  4. Union County

Union County

New Jersey

2026-05-09 05:00
AQI (China)
Excellent
Pollutants|Pollens
NO2
μg/m³
98.6
PM2.5
μg/m³
9.9
CO
μg/m³
500
SO2
μg/m³
0
Weather
  • ℃
  • ℉
12℃
73%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Berkeley Heights
AQI 14
Clark
AQI 14
Cranford
AQI 14
Elizabeth
AQI 50
Fanwood
AQI 14
Garwood
AQI 14
Hillside
AQI 16
Kenilworth
AQI 16
Linden
AQI 14
Mountainside
AQI 14
New Providence
AQI 14
Plainfield
AQI 14
Rahway
AQI 14
Roselle
AQI 16
Roselle Park
AQI 16
Scotch Plains
AQI 14
Springfield Township
AQI 14
Summit
AQI 14
Union
AQI 16
Westfield
AQI 14
Winfield
AQI 14
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 14
Kenilworth
AQI 16
Roselle Park
AQI 16
Roselle
AQI 16
Winfield
AQI 14
Garwood
AQI 14
Clark
AQI 14
Union
AQI 16
Westfield
AQI 14
Springfield Township
AQI 14
Linden
AQI 14