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York Regional Municipality

Ontario

2025-12-06 17:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
22.4
O3
μg/m³
58.9
NO2
μg/m³
11.3
Weather
  • ℃
  • ℉
0℃
74%
20 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
Places included
Aurora
AQI 77
East Gwillimbury
AQI 77
Georgina
AQI 52
King
AQI 77
Markham
AQI 79
Mount Albert
AQI 77
Newmarket
AQI 77
Richmond Hill
AQI 83
Vaughan
AQI 83
Whitchurch-Stouffville
AQI 77
Data Sources
http://www.airnow.gov/

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Cities Nearby

Aurora
AQI 77
Newmarket
AQI 77
Richmond Hill
AQI 83
East Gwillimbury
AQI 77
Vaughan
AQI 83
Markham
AQI 79
Whitchurch-Stouffville
AQI 77
Mount Albert
AQI 77
Zephyr
AQI 52
Uxbridge
AQI 77
Georgina
AQI 52