Hourly Weather in Walnut, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
6 km/h
Calm
10 km/h
Light
9 km/h
Light
9 km/h
Light
11 km/h
Light
14 km/h
Light
14 km/h
Light
15 km/h
Light
Humidity
78%
Extremely humid
68%
Humid
73%
Extremely humid
61%
Humid
55%
Comfortable
46%
Comfortable
44%
Dry
44%
Dry
42%
Dry
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
1010 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
39%
36%
38%
23%
14%
2%
2%
1%
1%
Dew point
16°
16°
18°
17°
18°
17°
17°
18°
17°
UV Index
0
1
3
6
8
10
11
10
8
Air quality
54
Moderate
57
Moderate
60
Moderate
63
Moderate
67
Moderate
69
Moderate
67
Moderate
68
Moderate
70
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
31.3 μg/m3
31.3 μg/m3
31.3 μg/m3
31.3 μg/m3
31.3 μg/m3
31.3 μg/m3
23 μg/m3
23.9 μg/m3
25.3 μg/m3
PM25
10.7 μg/m3
12.1 μg/m3
13.8 μg/m3
15.6 μg/m3
17.3 μg/m3
18.7 μg/m3
17.3 μg/m3
18.3 μg/m3
19.2 μg/m3
NO2
15.4 ppb
12.4 ppb
11.2 ppb
10 ppb
8.8 ppb
7.8 ppb
7.4 ppb
6.5 ppb
6.2 ppb
SO2
1.2 ppb
1.2 ppb
1.3 ppb
1.3 ppb
1.4 ppb
1.5 ppb
1.6 ppb
1.7 ppb
1.7 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
23.1 ppb
27.3 ppb
32.3 ppb
37.5 ppb
42.5 ppb
46.8 ppb
46.5 ppb
52.4 ppb
55.8 ppb