Hourly Weather in Perth, Ontario, Canada
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 km/h
Light
12 km/h
Light
13 km/h
Light
12 km/h
Light
10 km/h
Light
10 km/h
Light
8 km/h
Calm
7 km/h
Calm
7 km/h
Calm
Humidity
51%
Comfortable
54%
Comfortable
52%
Comfortable
52%
Comfortable
52%
Comfortable
55%
Comfortable
64%
Humid
69%
Humid
72%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1021 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1021 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
Clouds
0%
2%
0%
1%
4%
0%
0%
0%
0%
Dew point
13°
14°
14°
14°
14°
15°
16°
15°
15°
UV Index
6
5
3
2
1
0
0
0
0
Air quality
29
Good
30
Good
31
Good
33
Good
34
Good
35
Good
36
Good
51
Moderate
51
Moderate
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
9.9 μg/m3
10.6 μg/m3
11 μg/m3
11 μg/m3
10.7 μg/m3
10.2 μg/m3
9.7 μg/m3
9.6 μg/m3
9.7 μg/m3
PM25
5.2 μg/m3
5.4 μg/m3
5.6 μg/m3
5.8 μg/m3
6 μg/m3
6.2 μg/m3
6.4 μg/m3
9.2 μg/m3
9.3 μg/m3
NO2
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
1 ppb
1.4 ppb
1.8 ppb
2.3 ppb
2.9 ppb
SO2
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
30.5 ppb
31.2 ppb
32.1 ppb
33.2 ppb
34.3 ppb
35.4 ppb
36.3 ppb
52.4 ppb
50.8 ppb