Newmarket, Ontario, Canada Air Quality

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
42 12am
54
54
66 3am
66
66
83 6am
83
83
83 9am
83
66
54 12pm
27
25
— 3pm
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—
— 6pm
—
—
— 9pm
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Air Quality Forecast (24h)

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

42
Newmarket, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
50
Newmarket, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
36
Newmarket, Ontario, Canada
0.0 km PM2.5: 8.6 µg/m³
42
Newmarket, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
53
Newmarket, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
57
Newmarket, Ontario, Canada
0.0 km PM2.5: 15.0 µg/m³
50
Newmarket, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
38
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 9.0 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 2026-08-08T03:24 UTC.