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  4. Dufferin County

Dufferin County

Ontario

2026-04-21 19:00
CAQI (Europe)
Very Low
Pollutants
PM10
μg/m³
21.7
PM2.5
μg/m³
12.3
O3
μg/m³
46.7
NO2
μg/m³
1.4
Weather
  • ℃
  • ℉
9℃
51%
24 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • PM10
  • PM2.5
  • O3
  • NO2
Places included
Mono
AQI 22
Orangeville
AQI 38
Shelburne
AQI 22

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Cities Nearby

Shelburne
AQI 22
Mono
AQI 22
Orangeville
AQI 38
New Tecumseth
AQI 10
Erin
AQI 9
Angus
AQI 10
Egbert
AQI 44
Halton Hills
AQI 9
Markdale
AQI 23
Brampton
AQI 45
Collingwood
AQI 23