Air Quality in Brantford, Canada
Windy
24.8°C · 63.9% humidity
24.8°
Feels 24.8°
145
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Brantford's air quality — share it
AQI Forecast
Calibrated
34
10am
34
34
145
1pm
114
91
82
4pm
70
55
49
7pm
43
39
37
10pm
36
35
34
1am
33
33
33
4am
33
32
34
7am
34
31
Station readings
18h ago
AQI 97
PM2.5 34.0 µg/m³ · 18h ago
CAMS model
adj +7
27
27
27
27
27
27
34
34
27
27
25
24
24
25
25
25
25
25
25
25
25
27
27
24
Air Quality Index Trend
8h · 1 stnBrantford'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 Brantford is 3.5× the WHO 24-hour guideline of 15 µg/m³.
63.9%
Humidity
50.6 km/h
Wind ENE
1014.7 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
53.22 µg/m³
PM10
109.3 µg/m³
050100150200300500
What is the weather forecast for Brantford?
Temperature & Precipitation
PM2.5 Trend
8h · 1 stationPM2.553.22 µg/m³
×3.5 WHO
Unhealthy for sensitive groups
PM10109.3 µg/m³
Moderate
UV INDEX17.4
Extreme
What is the 7-day forecast for Brantford?
07-21
25.5° 19.2°
1.88 mm
07-22
23.9° 18.0°
0.13 mm
07-23
21.8° 15.1°
07-24
24.4° 14.0°
07-25
24.5° 15.0°
1.13 mm
07-26
28.0° 17.3°
1.37 mm
07-27
29.5° 19.4°
0.44 mm
Both models agree
Avg diff: 3.0°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:20 UTC.