Air Quality in Barrie, Canada
Clear
27.6°C · 42.1% humidity
27.6°
Feels 28.7°
71
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
Barrie's air quality — share it
AQI Forecast
Calibrated
78
10am
78
76
71
1pm
72
73
74
4pm
75
75
75
7pm
76
76
78
10pm
78
78
78
1am
78
76
76
4am
76
76
76
7am
76
75
Station readings
82
70
70
74
CAMS model
adj +51
27
27
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
25
25
25
25
25
25
24
Air Quality Index Trend
48h · 1 stnBarrie's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Barrie is 1.4× the WHO 24-hour guideline of 15 µg/m³.
42.1%
Humidity
27.3 km/h
Wind SE
1014.8 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
21.48 µg/m³
PM10
84.3 µg/m³
050100150200300500
What is the weather forecast for Barrie?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.521.48 µg/m³
×1.4 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX10.9
Extreme
Station readings (2 stations within 25 km)
21.48
Median
18.19
Average
14.71
Low
21.67
High
PM2.5 µg/m³ · Model: 40.48 · Bias: +19.0
What is the 7-day forecast for Barrie?
07-21
27.6° 20.4°
9.5 mm
07-22
26.2° 16.8°
07-23
19.1° 15.0°
0.38 mm
07-24
21.5° 15.6°
07-25
25.3° 12.9°
2.5 mm
07-26
26.2° 18.7°
4.06 mm
07-27
29.6° 19.3°
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Barrie?
43
Barrie, Ontario, Canada
34
Barrie, Ontario, Canada
74
Barrie, Ontario
56
NASA GSFC Rutgers Calib. N15
What cities are near Barrie?
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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 2026-07-21T17:16 UTC.