Newmarket, Ontario, Canada

Monitoring Station · Newmarket, Canada
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
121 12am
150
162
29 3am
162
162
162 6am
162
162
162 9am
179
162
162 12pm
150
150
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—
Station readings
29
CAMS model adj +96
25
54
66
66
66
66
66
66
66
66
83
66
66
54
54

Air Quality Trend (24h)

PM2.57.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

27
Newmarket, Ontario, Canada
0.0 km PM2.5: 6.5 µg/m³
12
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 3.0 µg/m³

Nearby Cities

32 Newmarket 31 Aurora 32 East Gwillimbury 32 Whitchurch-Stouffville 24 Richmond Hill 28 Stouffville 29 Keswick 22 Vaughan 23 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T03:52 UTC.