Newmarket, Ontario, Canada Air Quality

Monitoring Station · Newmarket, Canada
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
31 5pm
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38 11pm
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38 5am
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CAMS model adj +4
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Air Quality Forecast (24h)

PM2.510.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

17
Newmarket, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
56
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 14.3 µg/m³

Nearby Cities

95 Newmarket 91 Aurora 95 East Gwillimbury 95 Whitchurch-Stouffville 45 Richmond Hill 67 Stouffville 82 Keswick 40 Vaughan 38 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:12 UTC.