Newmarket, Ontario, Canada Air Quality

Monitoring Station · Newmarket, Canada
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
18 7pm
18
29
22 10pm
18
18
18 1am
20
20
20 4am
20
20
20 7am
20
20
— 10am
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— 1pm
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— 4pm
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Station readings
29
22
CAMS model adj -7
25
25
25
25
25
25
25
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.55.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

15
Newmarket, Ontario, Canada
0.0 km PM2.5: 3.6 µg/m³
20
Newmarket, Ontario, Canada
0.0 km PM2.5: 4.8 µg/m³
28
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 6.8 µg/m³

Nearby Cities

18 Newmarket 18 Aurora 18 East Gwillimbury 18 Whitchurch-Stouffville 20 Richmond Hill 18 Stouffville 15 Keswick 20 Vaughan 19 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-09T22:41 UTC.