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 Calibrated
55 12am
55
42
67 3am
67
67
84 6am
84
84
84 9am
84
67
55 12pm
28
26
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—
Station readings
42
CAMS model adj +1
54
54
54
66
66
66
83
83
83
83
83
66
54
27
25

Air Quality Forecast (24h)

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

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
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
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 2026-08-08T03:29 UTC.