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  4. Mercer County

Mercer County

New Jersey

2026-10-20 05:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.4
O3
μg/m³
16.1
Weather
  • ℃
  • ℉
7℃
78%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
East Windsor
AQI 46
Ewing Township
AQI 18
Hamilton Township
AQI 18
Hightstown
AQI 46
Hopewell
AQI 46
Hopewell Township
AQI 46
Lawrence Township
AQI 46
Pennington
AQI 46
Princeton
AQI 46
Robbinsville Township
AQI 18
Trenton
AQI 7
West Windsor Township
AQI 46
Data Sources
http://www.airnow.gov/

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Cities Nearby

Lawrence Township
AQI 46
Pennington
AQI 46
Ewing Township
AQI 18
Princeton
AQI 46
Hopewell Township
AQI 46
Trenton
AQI 7
West Windsor Township
AQI 46
Hopewell
AQI 46
Morrisville
AQI 18
Hamilton Township
AQI 18
Yardley
AQI 18