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  4. York Regional Municipality

York Regional Municipality

Ontario

2025-12-23 02:00
AQHI (Canada)
Low
Pollutants
O3
μg/m³
49.3
PM2.5
μg/m³
9.9
NO2
μg/m³
25.7
Weather
  • ℃
  • ℉
1℃
89%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • O3
  • PM2.5
  • NO2
Places included
Aurora
AQI --
East Gwillimbury
AQI --
Georgina
AQI 3
King
AQI --
Markham
AQI --
Mount Albert
AQI --
Newmarket
AQI 3
Richmond Hill
AQI --
Vaughan
AQI --
Whitchurch-Stouffville
AQI --
Data Sources
http://www.airnow.gov/

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Cities Nearby

Aurora
AQI --
Newmarket
AQI 3
Richmond Hill
AQI --
East Gwillimbury
AQI --
Vaughan
AQI --
Markham
AQI --
Whitchurch-Stouffville
AQI --
Mount Albert
AQI --
Zephyr
AQI --
Uxbridge
AQI --
Georgina
AQI 3