Newmarket, Ontario, Canada Air Quality

Monitoring Station · Newmarket, Canada
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
37 11pm
37
46
39 2am
46
46
66 5am
66
66
66 8am
46
46
46 11am
46
46
— 2pm
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—
— 5pm
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— 8pm
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Station readings
46
CAMS model adj +12
25
25
27
27
34
34
54
54
54
54
34
34
34
34
34

Air Quality Forecast (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Newmarket, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
46
Newmarket, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
34
Newmarket, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
38
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 9.2 µg/m³

Nearby Cities

50 Newmarket 50 Aurora 50 East Gwillimbury 50 Whitchurch-Stouffville 48 Richmond Hill 50 Stouffville 42 Keswick 46 Vaughan 53 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T02:19 UTC.