Barrie, Ontario Air Quality

Monitoring Station · Barrie, Canada
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
74 5pm
76
74
74 8pm
74
74
74 11pm
74
74
76 2am
76
76
76 5am
76
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Station readings
74
76
74
CAMS model adj +49
25
25
25
25
25
25
25
25
25
27
27
27
27
27

Air Quality Forecast (24h)

PM2.523.0 µg/m³ ×1.5 WHO
Moderate
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Gas Pollutants

O₃
27.0
µg/m³
NO₂
2.7
µg/m³

Nearby Monitoring Stations

43
Barrie, Ontario, Canada
0.0 km PM2.5: 10.3 µg/m³
34
Barrie, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
56
NASA GSFC Rutgers Calib. N15
17.9 km PM2.5: 14.3 µg/m³

Nearby Cities

74 Barrie 70 Innisfil 82 Keswick 56 Alliston 67 Wasaga Beach 83 Orillia 95 East Gwillimbury 95 Newmarket 34 Collingwood

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:13 UTC.