Air Quality in Barrie, Canada

Windy
21.1°C · 41.3% humidity
21.1°
Feels 21.1°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
34 6pm
34
38
52 9pm
56
58
60 12am
74
75
92 3am
93
93
93 6am
94
77
36 9am
36
36
36 12pm
36
36
36 3pm
36
36
Station readings
34
34
38
42
CAMS model adj +11
25
25
27
54
54
54
54
66
66
83
83
83
83
83
66
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

43h · 2 stn

Barrie's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

41.3%
Humidity
78.0 km/h
Wind NW
1014.3 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Barrie?

Temperature & Precipitation

PM2.5 Trend

43h · 2 stations
PM2.512.5 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (3 stations within 25 km)
12.5
Median
12.5
Average
11.0
Low
14.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -6.2

What is the 7-day forecast for Barrie?

08-03
22.5° 17.0°
3.13 mm
08-04
23.2° 14.0°
0.69 mm
08-05
28.0° 14.9°
08-06
29.0° 18.0°
0.94 mm
08-07
23.1° 13.2°
4.44 mm
08-08
34.7° 16.5°
0.81 mm
08-09
34.0° 18.4°
3.0 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Barrie?

38
Barrie, Ontario, Canada
3.5 km PM2.5: 9.1 µg/m³
42
Barrie, Ontario, Canada
3.5 km PM2.5: 10.1 µg/m³
34
Barrie, Ontario, Canada
3.5 km PM2.5: 8.2 µg/m³
38
Barrie, Ontario, Canada
3.5 km PM2.5: 9.1 µg/m³
30
Barrie, Ontario, Canada
3.5 km PM2.5: 7.2 µg/m³
34
Barrie, Ontario, Canada
3.5 km PM2.5: 8.2 µg/m³
50
Barrie, Ontario, Canada
3.5 km PM2.5: 12.0 µg/m³
42
Barrie, Ontario
3.5 km PM2.5: 10.0 µg/m³
38
NASA GSFC Rutgers Calib. N15
20.9 km PM2.5: 9.1 µg/m³

What cities are near Barrie?

52 Innisfil 54 Keswick 22 Orillia 25 Wasaga Beach 31 Alliston 57 East Gwillimbury 57 Newmarket 39 Midland 33 Collingwood 57 Aurora
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T01:31 UTC.