Newmarket, Ontario, Canada

Monitoring Station · Newmarket, Canada
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
45 2pm
45
45
30 5pm
54
54
74 8pm
74
74
74 11pm
74
47
47 2am
47
47
— 5am
—
—
— 8am
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— 11am
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Station readings
30
CAMS model adj +20
25
25
25
27
34
34
54
54
54
54
54
27
27
27
27

Air Quality Trend (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

13
Newmarket, Ontario, Canada
0.0 km PM2.5: 3.1 µg/m³
25
Newmarket, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³
36
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 8.7 µg/m³

Nearby Cities

28 Newmarket 28 Aurora 28 East Gwillimbury 28 Whitchurch-Stouffville 34 Richmond Hill 28 Stouffville 17 Keswick 34 Vaughan 27 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T17:09 UTC.