Newmarket, Ontario, Canada Air Quality

Monitoring Station · Newmarket, Canada
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
75 6am
75
75
75 9am
75
58
46 12pm
19
17
17 3pm
17
17
17 6pm
17
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CAMS model adj -8
83
83
83
83
83
66
54
27
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.515.0 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

55
Newmarket, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
50
Newmarket, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
65
Newmarket, Ontario, Canada
0.0 km PM2.5: 18.8 µg/m³
36
Newmarket, Ontario, Canada
0.0 km PM2.5: 8.6 µg/m³
53
Newmarket, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
62
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 17.1 µg/m³

Nearby Cities

57 Newmarket 57 Aurora 57 East Gwillimbury 57 Whitchurch-Stouffville 49 Richmond Hill 52 Stouffville 54 Keswick 47 Vaughan 49 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T09:02 UTC.