Newmarket, Ontario, Canada Air Quality

Monitoring Station · Newmarket, Canada
94
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
25 11pm
25
25
25 2am
27
27
25 5am
25
25
25 8am
25
25
25 11am
25
27
— 2pm
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— 5pm
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— 8pm
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Air Quality Forecast (24h)

PM2.532.5 µg/m³ ×2.2 WHO
Moderate
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Nearby Monitoring Stations

84
Newmarket, Ontario, Canada
0.0 km PM2.5: 27.8 µg/m³
27
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 6.4 µg/m³

Nearby Cities

32 Newmarket 32 Aurora 32 East Gwillimbury 32 Whitchurch-Stouffville 28 Richmond Hill 29 Stouffville 30 Keswick 28 Vaughan 25 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:20 UTC.