Newmarket, Ontario, Canada

Monitoring Station · Newmarket, Canada
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
31 4pm
23
23
35 7pm
24
24
24 10pm
26
53
53 1am
53
53
65 4am
65
65
— 7am
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—
— 10am
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— 1pm
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Station readings
31
35
CAMS model adj -1
24
24
24
25
25
25
25
27
54
54
54
54
66
66
66

Air Quality Trend (24h)

PM2.58.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
Newmarket, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³
34
Newmarket, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
26
Newmarket, Ontario, Canada
0.0 km PM2.5: 6.2 µg/m³
14
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 3.4 µg/m³

Nearby Cities

35 Newmarket 34 Aurora 35 East Gwillimbury 35 Whitchurch-Stouffville 30 Richmond Hill 32 Stouffville 29 Keswick 27 Vaughan 30 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-26T19:33 UTC.