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  4. Northumberland County

Northumberland County

Ontario

2025-12-27 16:00
AQHI (Canada)
Low
Pollutants
O3
μg/m³
63.1
PM10
μg/m³
23.2
PM2.5
μg/m³
3.6
NO2
μg/m³
9.2
Weather
  • ℃
  • ℉
-9℃
62%
4 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • O3
  • PM10
  • PM2.5
  • NO2
Places included
Cobourg
AQI 2
Port Hope
AQI 2

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Cities Nearby

Cobourg
AQI 2
Millbrook
AQI --
Newcastle
AQI 2
Peterborough
AQI 2
Quinte West
AQI --
Norwood
AQI 2
Courtice
AQI 2
Lakefield
AQI --
Oshawa
AQI --
Stirling
AQI --
Caesarea
AQI 2