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  4. Mercer County

Mercer County

New Jersey

2026-10-16 20:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.3
O3
μg/m³
50.4
Weather
  • ℃
  • ℉
23℃
77%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
East Windsor
AQI 34
Ewing Township
AQI 63
Hamilton Township
AQI 63
Hightstown
AQI 34
Hopewell
AQI 34
Hopewell Township
AQI 34
Lawrence Township
AQI 34
Pennington
AQI 34
Princeton
AQI 34
Robbinsville Township
AQI 63
Trenton
AQI 63
West Windsor Township
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

Lawrence Township
AQI 34
Pennington
AQI 34
Ewing Township
AQI 63
Princeton
AQI 34
Hopewell Township
AQI 34
Trenton
AQI 63
West Windsor Township
AQI 34
Hopewell
AQI 34
Morrisville
AQI 63
Hamilton Township
AQI 63
Yardley
AQI 63