Hourly Weather in Simi Valley, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
1 km/h
Calm
1 km/h
Calm
5 km/h
Calm
6 km/h
Calm
7 km/h
Calm
14 km/h
Light
18 km/h
Breezy
17 km/h
Breezy
17 km/h
Breezy
Humidity
83%
Extremely humid
65%
Humid
52%
Comfortable
42%
Dry
35%
Dry
35%
Dry
34%
Dry
36%
Dry
33%
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
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
78%
78%
34%
57%
41%
92%
15%
3%
7%
Dew point
17°
17°
16°
16°
15°
15°
15°
16°
14°
UV Index
0
1
3
6
8
10
11
10
8
Air quality
45
Good
50
Moderate
53
Moderate
55
Moderate
57
Moderate
58
Moderate
56
Moderate
56
Moderate
56
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
30.2 μg/m3
30.2 μg/m3
30.2 μg/m3
30.2 μg/m3
30.2 μg/m3
30.2 μg/m3
17.6 μg/m3
16.9 μg/m3
16.4 μg/m3
PM25
8.1 μg/m3
8.9 μg/m3
9.9 μg/m3
11 μg/m3
12 μg/m3
12.8 μg/m3
11.8 μg/m3
11.9 μg/m3
11.9 μg/m3
NO2
5.6 ppb
4.5 ppb
4 ppb
3.5 ppb
3 ppb
2.4 ppb
1.8 ppb
1.2 ppb
1.1 ppb
SO2
0.3 ppb
0.4 ppb
0.5 ppb
0.6 ppb
0.8 ppb
0.8 ppb
0.9 ppb
1 ppb
1 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
20.3 ppb
24.9 ppb
30.4 ppb
36.1 ppb
41.5 ppb
46.2 ppb
51.8 ppb
58.4 ppb
61.7 ppb