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York Regional Municipality

Ontario

2026-08-09 23:00
AQI (China)
Excellent
Pollutants
O3
μg/m³
48.2
PM2.5
μg/m³
5.4
NO2
μg/m³
4.1
Weather
  • ℃
  • ℉
23℃
72%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • O3
  • PM2.5
  • NO2
Places included
Aurora
AQI 8
East Gwillimbury
AQI 8
Georgina
AQI 13
King
AQI 8
Markham
AQI 8
Mount Albert
AQI 8
Newmarket
AQI 19
Richmond Hill
AQI 10
Vaughan
AQI 10
Whitchurch-Stouffville
AQI 8
Data Sources
http://www.airnow.gov/

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Cities Nearby

Aurora
AQI 8
Newmarket
AQI 19
Richmond Hill
AQI 10
East Gwillimbury
AQI 8
Vaughan
AQI 10
Markham
AQI 8
Whitchurch-Stouffville
AQI 8
Mount Albert
AQI 8
Zephyr
AQI 6
Uxbridge
AQI 8
Georgina
AQI 13