Air Quality in Willoughby, Canada
Clear
18.2°C · 46.7% humidity
18.2°
Feels 18.2°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
7
10am
7
7
63
1pm
47
38
30
4pm
24
20
17
7pm
14
13
19
10pm
18
17
17
1am
37
37
36
4am
36
9
9
7am
9
9
Station readings
7
3
2
CAMS model
adj -18
25
25
25
25
25
27
27
27
27
27
27
27
34
34
34
34
54
54
54
54
27
27
27
27
Air Quality Index Trend
47h · 1 stnWilloughby'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 Willoughby is 1.2× the WHO 24-hour guideline of 15 µg/m³.
46.7%
Humidity
21.3 km/h
Wind SW
1018.7 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
17.75 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Willoughby?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.517.75 µg/m³
×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
Station readings (3 stations within 25 km)
17.75
Median
16.98
Average
0.63
Low
38.3
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -11.5
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Willoughby?
43
Surrey East, British Comlumbia, Canada
22
Surrey East, British Comlumbia, Canada
34
Langley Central, British Comlumbia, Canada
131
Langley Central, British Comlumbia, Canada
14
Langley Central, British Comlumbia, Canada
53
Pitt Meadow Meadowlands School, British Comlumbia, Canada
142
Pitt Meadow Meadowlands School, British Comlumbia, Canada
60
Pitt Meadow Meadowlands School, British Comlumbia, Canada
17
Pitt Meadow Meadowlands School, British Comlumbia, Canada
25
North Delta, British Comlumbia, Canada
What cities are near Willoughby?
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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 2026-05-29T20:13 UTC.