NASA GSFC Rutgers Calib. N15 Air Quality

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

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
15 2am
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21 5am
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20 8am
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20 11am
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20 2pm
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CAMS model adj -4
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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
63
Barrie, Ontario, Canada
17.9 km PM2.5: 17.8 µg/m³
3
Barrie, Ontario, Canada
17.9 km PM2.5: 0.7 µg/m³
13
Newmarket, Ontario, Canada
31.6 km PM2.5: 3.1 µg/m³
42
Newmarket, Ontario, Canada
31.6 km PM2.5: 10.1 µg/m³

Nearby Cities

15 Alliston 27 Innisfil 29 Barrie 34 Keswick 41 East Gwillimbury 41 Newmarket 40 Aurora 32 Wasaga Beach 31 Bolton

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T05:04 UTC.