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
AD 728×90

Air Quality Index Trend

47h · 1 stn

Willoughby'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
PM2.5
63
17.75 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.517.75 µg/m³ ×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
17.75
Median
16.98
Average
0.63
Low
38.3
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -11.5
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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.