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York Regional Municipality

Ontario

2026-03-10 18:00
AQI (China)
Excellent
Pollutants
O3
μg/m³
70.7
PM2.5
μg/m³
14.2
NO2
μg/m³
10.3
Weather
  • ℃
  • ℉
16℃
69%
15 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • O3
  • PM2.5
  • NO2
Places included
Aurora
AQI 20
East Gwillimbury
AQI 20
Georgina
AQI 20
King
AQI 20
Markham
AQI 25
Mount Albert
AQI 20
Newmarket
AQI 25
Richmond Hill
AQI 23
Vaughan
AQI 23
Whitchurch-Stouffville
AQI 20
Data Sources
http://www.airnow.gov/

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Cities Nearby

Aurora
AQI 20
Newmarket
AQI 25
Richmond Hill
AQI 23
East Gwillimbury
AQI 20
Vaughan
AQI 23
Markham
AQI 25
Whitchurch-Stouffville
AQI 20
Mount Albert
AQI 20
Zephyr
AQI 13
Uxbridge
AQI 20
Georgina
AQI 20