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  4. Northumberland County

Northumberland County

Ontario

2026-05-24 07:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
1.9
PM10
μg/m³
2
Weather
  • ℃
  • ℉
8℃
100%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Places included
Cobourg
AQI 11
Port Hope
AQI 11

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Cities Nearby

Cobourg
AQI 11
Millbrook
AQI 32
Newcastle
AQI 32
Peterborough
AQI 34
Quinte West
AQI 12
Norwood
AQI 33
Courtice
AQI 33
Lakefield
AQI 32
Oshawa
AQI 33
Stirling
AQI 12
Caesarea
AQI 32