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Keswick (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

Clear sky
-2°C
Clear sky
Humidity
75.2%
Wind
10 m/s
Pressure
1006.4 hPa
Direction
251°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-5° / -2°
Precip.
1.7mm
Max wind
14.5 m/s

Hourly Forecast

11.01
Now
Weather
-2°
10
11.01
09:00
Weather
-3°
9
11.01
10:00
Weather
-4°
8
11.01
11:00
Weather
-4°
9
11.01
12:00
Weather
-5°
10
11.01
13:00
Weather
-4°
0.3
10
11.01
14:00
Weather
-3°
0.5
10
11.01
15:00
Weather
-3°
0.3
8
11.01
16:00
Weather
-3°
0.1
10
11.01
17:00
Weather
-4°
0.2
11
11.01
18:00
Weather
-5°
0.2
11
11.01
19:00
Weather
-5°
0.1
13
11.01
20:00
Weather
-5°
15
11.01
21:00
Weather
-5°
14
11.01
22:00
Weather
-5°
14
11.01
23:00
Weather
-5°
13
12.01
00:00
Weather
-5°
12
12.01
01:00
Weather
-4°
11
12.01
02:00
Weather
-5°
11
12.01
03:00
Weather
-4°
10
12.01
04:00
Weather
-5°
9
12.01
05:00
Weather
-5°
7
12.01
06:00
Weather
-4°
7
12.01
07:00
Weather
-4°
8

Temperature

-2°C
-5°C
08:00
-2°C
09:00
-3°C
10:00
-4°C
11:00
-4°C
12:00
-5°C
13:00
-4°C
14:00
-3°C
15:00
-3°C
16:00
-3°C
17:00
-4°C
18:00
-5°C
19:00
-5°C
20:00
-5°C
21:00
-5°C
22:00
-5°C
23:00
-5°C
00:00
-5°C
01:00
-4°C
02:00
-5°C
03:00
-4°C
04:00
-5°C
05:00
-5°C
06:00
-4°C
07:00
-4°C
08:00 19:00 07:00

Precipitation

0.5mm
0mm
13:00
0.3mm
14:00
0.5mm
15:00
0.3mm
16:00
0.1mm
17:00
0.2mm
18:00
0.2mm
19:00
0.1mm
08:00 19:00 07:00

Wind

14.5m/s
0m/s
08:00
10.1 m/s
09:00
9.3 m/s
10:00
8 m/s
11:00
8.6 m/s
12:00
9.5 m/s
13:00
10.4 m/s
14:00
9.9 m/s
15:00
8.1 m/s
16:00
10.2 m/s
17:00
11 m/s
18:00
11.3 m/s
19:00
12.5 m/s
20:00
14.5 m/s
21:00
14.1 m/s
22:00
14.2 m/s
23:00
13.1 m/s
00:00
12.4 m/s
01:00
11 m/s
02:00
10.8 m/s
03:00
9.6 m/s
04:00
8.6 m/s
05:00
6.8 m/s
06:00
6.7 m/s
07:00
7.5 m/s
08:00 19:00 07:00

Radiation

0.072 uSv
27.7 km
9%

source: safecast

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
89.4 km
69
23%

Calculated from PM2.5/PM10

O3
72.5 km
49.74 µg/m3
31.1%

source: OpenWeatherMap

PM2.5
89.4 km
21 µg/m3
25%

source: Aqicn

NO2
93 km
15.28 µg/m3
7.6%

source: OpenWeatherMap

PM10
93 km
4.9 µg/m3
3.5%

source: OpenWeatherMap

CO
93 km
0.25305 mg/m3
1.8%

source: OpenWeatherMap

SO2
93 km
2.35 µg/m3
0.7%

source: OpenWeatherMap

Info


Country: Canada
Region: Ontario
Latitude: 44.25011
Longitude: -79.46632


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About Air Quality in Keswick

Air quality in Keswick 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 Keswick

  • 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 Keswick?

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 Keswick

If you're planning outdoor activities in Keswick, 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.