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Willowdale (Ontario) (CA)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Despejado
-17°C
Despejado
Humidity
90.6%
Wind
3 m/s
Pressure
1021.6 hPa
Direction
315°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-20° / -7°
Precip.
0mm
Max wind
4.2 m/s

Hourly Forecast

02.02
Now
Weather
-17°
02.02
11:00
Weather
-18°
02.02
12:00
Weather
-19°
02.02
13:00
Weather
-20°
02.02
14:00
Weather
-19°
02.02
15:00
Weather
-16°
02.02
16:00
Weather
-14°
02.02
17:00
Weather
-12°
02.02
18:00
Weather
-11°
02.02
19:00
Weather
-10°
02.02
20:00
Weather
-9°
02.02
21:00
Weather
-9°
02.02
22:00
Weather
-10°
02.02
23:00
Weather
-12°
03.02
00:00
Weather
-12°
03.02
01:00
Weather
-10°
03.02
02:00
Weather
-8°
03.02
03:00
Weather
-7°
03.02
04:00
Weather
-7°
03.02
05:00
Weather
-7°
03.02
06:00
Weather
-7°
03.02
07:00
Weather
-7°
03.02
08:00
Weather
-7°
03.02
09:00
Weather
-8°

Temperature

-7°C
-20°C
10:00
-17°C
11:00
-18°C
12:00
-19°C
13:00
-20°C
14:00
-19°C
15:00
-16°C
16:00
-14°C
17:00
-12°C
18:00
-11°C
19:00
-10°C
20:00
-9°C
21:00
-9°C
22:00
-10°C
23:00
-12°C
00:00
-12°C
01:00
-10°C
02:00
-8°C
03:00
-7°C
04:00
-7°C
05:00
-7°C
06:00
-7°C
07:00
-7°C
08:00
-7°C
09:00
-8°C
10:00 21:00 09:00

Precipitation

0mm
0mm
10:00 21:00 09:00

Wind

4.2m/s
0m/s
10:00
3.1 m/s
11:00
2.8 m/s
12:00
2.4 m/s
13:00
2.3 m/s
14:00
2.3 m/s
15:00
2 m/s
16:00
2.2 m/s
17:00
2.2 m/s
18:00
2.4 m/s
19:00
3.4 m/s
20:00
3.9 m/s
21:00
4.2 m/s
22:00
4 m/s
23:00
3.3 m/s
00:00
2.8 m/s
01:00
3.1 m/s
02:00
4 m/s
03:00
4.1 m/s
04:00
3.8 m/s
05:00
3.3 m/s
06:00
3.6 m/s
07:00
3.9 m/s
08:00
3.7 m/s
09:00
3 m/s
10:00 21:00 09:00

Radiation

0.016 uSv
10.5 km
2.1%

Measurement time: 2026-02-02 09:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
2.2 km
69
23%

Measurement time: 2026-02-02 11:00

Calculated from PM2.5/PM10

PM2.5
2.2 km
21 µg/m3
25%

Measurement time: 2026-02-02 11:00

source: Aqicn

NO2
2.2 km
39.9 µg/m3
20%

Measurement time: 2026-02-02 11:00

source: Aqicn

O3
2.2 km
3.2 µg/m3
2%

Measurement time: 2026-02-02 11:00

source: Aqicn

SO2
2.2 km
1 µg/m3
0.3%

Measurement time: 2026-02-02 11:00

source: Aqicn

Info


Country: Canada
Region: Ontario
Latitude: 43.76672
Longitude: -79.39909


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About Air Quality in Willowdale

Air quality in Willowdale is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Willowdale

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Willowdale?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Willowdale

If you're planning outdoor activities in Willowdale, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.