Hourly Weather in Ancaster, Ontario, Canada
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 km/h
Light
2 km/h
Calm
8 km/h
Calm
3 km/h
Calm
8 km/h
Light
8 km/h
Light
9 km/h
Light
10 km/h
Light
9 km/h
Light
Humidity
93%
Extremely humid
90%
Extremely humid
90%
Extremely humid
90%
Extremely humid
84%
Extremely humid
77%
Extremely humid
72%
Extremely humid
68%
Humid
67%
Humid
Visibility
12 km
Good
14 km
Good
14 km
Good
14 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1003 hPa
Very low
1002 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1002 hPa
Very low
1003 hPa
Very low
Clouds
99%
100%
100%
74%
5%
9%
38%
61%
45%
Dew point
20°
19°
19°
19°
18°
18°
18°
17°
18°
UV Index
0
0
0
0
0
0
2
4
5
Air quality
61
Moderate
62
Moderate
63
Moderate
64
Moderate
66
Moderate
68
Moderate
70
Moderate
72
Moderate
37
Good
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
17.8 μg/m3
17.2 μg/m3
14.6 μg/m3
11.6 μg/m3
9.8 μg/m3
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
6.4 μg/m3
PM25
14.4 μg/m3
14.7 μg/m3
15.3 μg/m3
16.2 μg/m3
17.2 μg/m3
18.3 μg/m3
19.2 μg/m3
20.1 μg/m3
6.4 μg/m3
NO2
3.9 ppb
3.3 ppb
4.1 ppb
4.7 ppb
5.4 ppb
5.7 ppb
6.1 ppb
6.4 ppb
5.4 ppb
SO2
0.6 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.6 ppb
1 ppb
1.5 ppb
1.9 ppb
1.6 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
27 ppb
28 ppb
29.9 ppb
32.5 ppb
35.6 ppb
38.8 ppb
41.9 ppb
44.6 ppb
39.5 ppb