Hourly Weather in Ottawa, Ontario, Canada
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 mph
Breezy
13 mph
Breezy
13 mph
Breezy
14 mph
Breezy
13 mph
Breezy
12 mph
Breezy
12 mph
Breezy
14 mph
Breezy
13 mph
Breezy
Humidity
85%
Extremely humid
85%
Extremely humid
85%
Extremely humid
85%
Extremely humid
86%
Extremely humid
83%
Extremely humid
78%
Extremely humid
75%
Extremely humid
76%
Extremely humid
Visibility
8 mi
Good
7 mi
Good
8 mi
Good
2 mi
Low
4 mi
Fair
8 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1010 hPa
Normal
1008 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
1008 hPa
Low
1009 hPa
Normal
Clouds
100%
100%
100%
100%
100%
91%
99%
99%
5%
Dew point
45°
46°
46°
46°
46°
46°
44°
41°
38°
UV Index
0
1
1
0
0
0
0
0
0
Air quality
29
Good
29
Good
30
Good
31
Good
32
Good
32
Good
33
Good
34
Good
35
Good
Pollen index
Tree
1 / 5
0 / 5
0 / 5
0 / 5
1 / 5
0 / 5
1 / 5
1 / 5
1 / 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
0.27 μg/ft3
0.29 μg/ft3
0.31 μg/ft3
0.33 μg/ft3
0.34 μg/ft3
0.29 μg/ft3
0.25 μg/ft3
0.24 μg/ft3
0.25 μg/ft3
PM25
0.19 μg/ft3
0.19 μg/ft3
0.21 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
0.20 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
NO2
1.84 ppb
1.61 ppb
1.38 ppb
1.55 ppb
1.72 ppb
1.89 ppb
1.94 ppb
1.99 ppb
2.04 ppb
SO2
0.52 ppb
0.54 ppb
0.56 ppb
0.61 ppb
0.66 ppb
0.71 ppb
0.58 ppb
0.45 ppb
0.32 ppb
CO
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.17 ppb
0.17 ppb
0.17 ppb
O3
32.79 ppb
34.37 ppb
35.94 ppb
35.76 ppb
35.57 ppb
35.38 ppb
37.05 ppb
38.72 ppb
40.4 ppb