Air Quality in Granby, Canada
Partly Cloudy
25.1°C · 61.7% humidity
25.1°
Feels 25.1°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Granby's air quality — share it
AQI Forecast
27
10am
27
27
67
1pm
56
55
49
4pm
45
42
39
7pm
38
28
27
10pm
26
26
25
1am
25
24
24
4am
24
24
24
7am
24
24
Air Quality Index Trend
48h · 1 stnGranby'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 Granby is 1.3× the WHO 24-hour guideline of 15 µg/m³.
61.7%
Humidity
37.2 km/h
Wind N
1015.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
19.88 µg/m³
PM10
59.3 µg/m³
050100150200300500
What is the weather forecast for Granby?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.519.88 µg/m³
×1.3 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX14.9
Extreme
Station readings (1 station within 25 km)
19.88
Median
19.88
Average
19.88
Low
19.88
High
PM2.5 µg/m³ · Model: 17.25 · Bias: -2.6
What is the 7-day forecast for Granby?
07-21
25.1° 18.3°
07-22
23.4° 16.4°
0.62 mm
07-23
18.6° 12.7°
6.94 mm
07-24
20.4° 10.8°
0.75 mm
07-25
19.8° 16.9°
27.63 mm
07-26
20.8° 16.1°
6.75 mm
07-27
24.6° 18.6°
0.31 mm
Both models agree
Avg diff: 2.4°C
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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 2026-07-21T17:18 UTC.