Air Quality in Fergus, Canada
Drizzle
24.3°C · 71.0% humidity
24.3°
Feels 24.3°
114
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Fergus's air quality — share it
AQI Forecast
Calibrated
55
10am
55
55
114
1pm
97
85
77
4pm
71
66
61
7pm
59
57
56
10pm
55
55
54
1am
54
54
53
4am
53
53
55
7am
53
52
Station readings
58
128
11
CAMS model
adj +28
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
27
25
24
Air Quality Index Trend
47h · 1 stnFergus'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 Fergus is 2.7× the WHO 24-hour guideline of 15 µg/m³.
71.0%
Humidity
43.3 km/h
Wind SE
1015.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
40.72 µg/m³
PM10
84.3 µg/m³
050100150200300500
What is the weather forecast for Fergus?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.540.72 µg/m³
×2.7 WHO
Unhealthy for sensitive groups
PM1084.3 µg/m³
Moderate
UV INDEX17.4
Extreme
What is the 7-day forecast for Fergus?
07-21
24.3° 19.3°
10.88 mm
07-22
23.0° 17.7°
3.31 mm
07-23
17.9° 14.0°
0.19 mm
07-24
21.0° 15.0°
07-25
22.0° 12.8°
1.31 mm
07-26
24.4° 15.0°
3.5 mm
07-27
26.1° 17.1°
0.38 mm
Both models agree
Avg diff: 3.1°C
Where are air quality stations near Fergus?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:17 UTC.