Hourly Weather in Knowles Corner, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 km/h
Light
11 km/h
Light
11 km/h
Light
11 km/h
Light
10 km/h
Light
12 km/h
Light
11 km/h
Light
13 km/h
Light
18 km/h
Breezy
Humidity
76%
Extremely humid
76%
Extremely humid
80%
Extremely humid
82%
Extremely humid
80%
Extremely humid
68%
Humid
56%
Comfortable
50%
Comfortable
47%
Comfortable
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
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
Clouds
0%
0%
0%
0%
0%
2%
1%
0%
0%
Dew point
11°
11°
11°
11°
11°
11°
11°
11°
11°
UV Index
0
0
0
0
0
1
2
5
7
Air quality
32
Good
33
Good
33
Good
33
Good
34
Good
34
Good
35
Good
41
Good
45
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
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
10.3 μg/m3
11.6 μg/m3
PM25
5.7 μg/m3
5.8 μg/m3
5.9 μg/m3
5.9 μg/m3
6 μg/m3
6.1 μg/m3
6.2 μg/m3
7.2 μg/m3
8 μg/m3
NO2
1.1 ppb
1.1 ppb
1 ppb
0.9 ppb
0.8 ppb
0.6 ppb
0.5 ppb
0.4 ppb
0.3 ppb
SO2
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
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
14.5 ppb
15.4 ppb
16.7 ppb
18.2 ppb
19.8 ppb
21.3 ppb
22.5 ppb
27.9 ppb
29.8 ppb