Newmarket, Ontario, Canada Air Quality

Monitoring Station · Newmarket, Canada
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
— 10pm
—
—
— 1am
—
—
— 4am
—
—
— 7am
—
—
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—

Air Quality Forecast (24h)

PM2.55.8 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

17
Newmarket, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
30
Newmarket, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
22
Newmarket, Ontario, Canada
0.0 km PM2.5: 5.3 µg/m³
22
Newmarket, Ontario, Canada
0.0 km PM2.5: 5.3 µg/m³
14
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 3.3 µg/m³

Nearby Cities

23 Newmarket 23 Aurora 23 East Gwillimbury 23 Whitchurch-Stouffville 18 Richmond Hill 20 Stouffville 23 Keswick 17 Vaughan 19 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-21T01:06 UTC.