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  4. Mercer County

Mercer County

New Jersey

2026-10-17 12:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
5.7
O3
μg/m³
54.6
Weather
  • ℃
  • ℉
9℃
69%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
East Windsor
AQI 43
Ewing Township
AQI 9
Hamilton Township
AQI 9
Hightstown
AQI 43
Hopewell
AQI 43
Hopewell Township
AQI 43
Lawrence Township
AQI 43
Pennington
AQI 43
Princeton
AQI 43
Robbinsville Township
AQI 9
Trenton
AQI 9
West Windsor Township
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

Lawrence Township
AQI 43
Pennington
AQI 43
Ewing Township
AQI 9
Princeton
AQI 43
Hopewell Township
AQI 43
Trenton
AQI 9
West Windsor Township
AQI 43
Hopewell
AQI 43
Morrisville
AQI 9
Hamilton Township
AQI 9
Yardley
AQI 9