Newmarket, Ontario, Canada

Monitoring Station · Newmarket, Canada
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
50 9pm
59
50
40 12am
50
50
50 3am
50
50
50 6am
37
37
50 9am
50
37
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

33
Newmarket, Ontario, Canada
0.0 km
46
Newmarket, Ontario, Canada
0.0 km
34
Newmarket, Ontario, Canada
0.0 km
15
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 3.5 µg/m³

Nearby Cities

26 Newmarket 30 Aurora 25 East Gwillimbury 18 Whitchurch-Stouffville 16 Richmond Hill 18 Stouffville 24 Keswick 16 Vaughan 30 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:59 UTC.