NASA GSFC Rutgers Calib. N15 Air Quality

Monitoring Station · Alliston, Canada
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
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Station readings
16
15

Air Quality Forecast (24h)

PM2.53.7 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

12
Barrie, Ontario
17.9 km PM2.5: 3.0 µg/m³
21
Barrie, Ontario, Canada
17.9 km PM2.5: 5.0 µg/m³
18
Barrie, Ontario, Canada
17.9 km PM2.5: 4.3 µg/m³
25
Barrie, Ontario, Canada
17.9 km PM2.5: 6.0 µg/m³
19
Barrie, Ontario, Canada
17.9 km PM2.5: 4.6 µg/m³
15
Barrie, Ontario, Canada
17.9 km PM2.5: 3.6 µg/m³
25
Barrie, Ontario, Canada
17.9 km PM2.5: 6.0 µg/m³
25
Barrie, Ontario, Canada
17.9 km PM2.5: 6.0 µg/m³

Nearby Cities

15 Alliston 19 Innisfil 20 Barrie 22 Keswick 29 East Gwillimbury 29 Newmarket 28 Aurora 17 Wasaga Beach 18 Bolton

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-21T00:34 UTC.