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York Regional Municipality

Ontario

2026-08-09 01:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
10
O3
μg/m³
66.4
NO2
μg/m³
3.1
Weather
  • ℃
  • ℉
20℃
78%
12 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
Places included
Aurora
AQI 52
East Gwillimbury
AQI 52
Georgina
AQI 39
King
AQI 52
Markham
AQI 50
Mount Albert
AQI 52
Newmarket
AQI 52
Richmond Hill
AQI 56
Vaughan
AQI 56
Whitchurch-Stouffville
AQI 52
Data Sources
http://www.airnow.gov/

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Cities Nearby

Aurora
AQI 52
Newmarket
AQI 52
Richmond Hill
AQI 56
East Gwillimbury
AQI 52
Vaughan
AQI 56
Markham
AQI 50
Whitchurch-Stouffville
AQI 52
Mount Albert
AQI 52
Zephyr
AQI 39
Uxbridge
AQI 52
Georgina
AQI 39