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York Regional Municipality

Ontario

2025-12-06 19:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
12.3
O3
μg/m³
63.2
NO2
μg/m³
10.3
Weather
  • ℃
  • ℉
0℃
72%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
Places included
Aurora
AQI 54
East Gwillimbury
AQI 54
Georgina
AQI 34
King
AQI 54
Markham
AQI 66
Mount Albert
AQI 54
Newmarket
AQI 54
Richmond Hill
AQI 66
Vaughan
AQI 66
Whitchurch-Stouffville
AQI 54
Data Sources
http://www.airnow.gov/

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Cities Nearby

Aurora
AQI 54
Newmarket
AQI 54
Richmond Hill
AQI 66
East Gwillimbury
AQI 54
Vaughan
AQI 66
Markham
AQI 66
Whitchurch-Stouffville
AQI 54
Mount Albert
AQI 54
Zephyr
AQI 34
Uxbridge
AQI 54
Georgina
AQI 34