Newmarket, Ontario, Canada

Monitoring Station · Newmarket, Canada
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 2pm
50
25
52 5pm
59
59
79 8pm
79
79
79 11pm
79
52
52 2am
52
52
— 5am
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—
— 8am
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— 11am
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Station readings
25
CAMS model adj +25
25
25
25
27
34
34
54
54
54
54
54
27
27
27
27

Air Quality Trend (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

46
Newmarket, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
46
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 11.1 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 2026-04-15T17:39 UTC.