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  4. York Regional Municipality
  6. Newmarket

Newmarket

Newmarket, York Regional Municipality

2026-04-15 21:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
16
NO2
μg/m³
51.3
O3
μg/m³
6.4
Weather
  • ℃
  • ℉
16℃
87%
12 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • NO2
  • O3
Places included
Newmarket
AQI 64
Data Sources
http://www.airnow.gov/

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AQI 64
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AQI 56
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Vaughan
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Markham
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Georgina
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Uxbridge
AQI 56