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  4. Union County

Union County

New Jersey

2026-06-21 07:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4
NO2
μg/m³
18.5
CO
μg/m³
375
SO2
μg/m³
0
Weather
  • ℃
  • ℉
17℃
75%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Berkeley Heights
AQI 23
Clark
AQI 23
Cranford
AQI 23
Elizabeth
AQI 22
Fanwood
AQI 23
Garwood
AQI 23
Hillside
AQI 22
Kenilworth
AQI 22
Linden
AQI 23
Mountainside
AQI 23
New Providence
AQI 23
Plainfield
AQI 23
Rahway
AQI 23
Roselle
AQI 22
Roselle Park
AQI 22
Scotch Plains
AQI 23
Springfield Township
AQI 23
Summit
AQI 23
Union
AQI 22
Westfield
AQI 23
Winfield
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Cranford
AQI 23
Kenilworth
AQI 22
Roselle Park
AQI 22
Roselle
AQI 22
Winfield
AQI 23
Garwood
AQI 23
Clark
AQI 23
Union
AQI 22
Westfield
AQI 23
Springfield Township
AQI 23
Linden
AQI 23