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York Regional Municipality

Ontario

2026-01-19 19:00
AQI (US)
Good
Pollutants
O3
μg/m³
68.6
PM2.5
μg/m³
4.3
NO2
μg/m³
5.1
Weather
  • ℃
  • ℉
-9℃
71%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • O3
  • PM2.5
  • NO2
Places included
Aurora
AQI 23
East Gwillimbury
AQI 23
Georgina
AQI 29
King
AQI 23
Markham
AQI 28
Mount Albert
AQI 23
Newmarket
AQI 31
Richmond Hill
AQI 28
Vaughan
AQI 28
Whitchurch-Stouffville
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Aurora
AQI 23
Newmarket
AQI 31
Richmond Hill
AQI 28
East Gwillimbury
AQI 23
Vaughan
AQI 28
Markham
AQI 28
Whitchurch-Stouffville
AQI 23
Mount Albert
AQI 23
Zephyr
AQI 23
Uxbridge
AQI 23
Georgina
AQI 29