Hourly Weather in Markham, Ontario, Canada
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 km/h
Calm
8 km/h
Calm
4 km/h
Calm
5 km/h
Calm
7 km/h
Calm
2 km/h
Calm
10 km/h
Light
8 km/h
Light
7 km/h
Calm
Humidity
87%
Extremely humid
94%
Extremely humid
94%
Extremely humid
94%
Extremely humid
94%
Extremely humid
96%
Extremely humid
94%
Extremely humid
93%
Extremely humid
93%
Extremely humid
Visibility
15 km
Good
12 km
Good
12 km
Good
13 km
Good
13 km
Good
12 km
Good
12 km
Good
12 km
Good
13 km
Good
Pressure
1005 hPa
Low
1005 hPa
Low
1005 hPa
Low
1005 hPa
Low
1004 hPa
Low
1003 hPa
Very low
1004 hPa
Very low
1004 hPa
Very low
1004 hPa
Very low
Clouds
10%
9%
100%
100%
100%
100%
88%
100%
96%
Dew point
20°
20°
19°
19°
19°
20°
19°
19°
19°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
64
Moderate
65
Moderate
66
Moderate
68
Moderate
70
Moderate
72
Moderate
73
Moderate
66
Moderate
67
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
25 μg/m3
23.3 μg/m3
22.4 μg/m3
22.1 μg/m3
22 μg/m3
20.8 μg/m3
19.5 μg/m3
17.6 μg/m3
17.7 μg/m3
PM25
15.7 μg/m3
16.3 μg/m3
17.1 μg/m3
18.1 μg/m3
19.1 μg/m3
20 μg/m3
20.8 μg/m3
17.3 μg/m3
17.3 μg/m3
NO2
13.5 ppb
13.9 ppb
14.4 ppb
12.9 ppb
11.3 ppb
9.7 ppb
9.1 ppb
8.8 ppb
8.1 ppb
SO2
2.2 ppb
2.2 ppb
2.2 ppb
2.1 ppb
1.9 ppb
1.8 ppb
1.6 ppb
1.7 ppb
1.5 ppb
CO
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
37.4 ppb
38.8 ppb
40.8 ppb
43 ppb
45.4 ppb
47.7 ppb
49.6 ppb
33.4 ppb
33.9 ppb