Hourly Weather in Simi Valley, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
4 mph
Calm
2 mph
Calm
2 mph
Calm
2 mph
Calm
1 mph
Calm
2 mph
Calm
2 mph
Calm
2 mph
Calm
Humidity
65%
Humid
71%
Extremely humid
76%
Extremely humid
80%
Extremely humid
86%
Extremely humid
91%
Extremely humid
96%
Extremely humid
99%
Extremely humid
99%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
9 mi
Good
8 mi
Good
7 mi
Good
2 mi
Low
2 mi
Low
Pressure
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
Clouds
7%
6%
17%
8%
5%
9%
10%
60%
77%
Dew point
57°
57°
57°
58°
58°
59°
59°
59°
59°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
50
Moderate
52
Moderate
64
Moderate
64
Moderate
65
Moderate
65
Moderate
66
Moderate
67
Moderate
67
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
0.89 μg/ft3
0.89 μg/ft3
0.52 μg/ft3
0.52 μg/ft3
0.52 μg/ft3
0.52 μg/ft3
0.53 μg/ft3
0.53 μg/ft3
0.54 μg/ft3
PM25
0.25 μg/ft3
0.27 μg/ft3
0.45 μg/ft3
0.46 μg/ft3
0.46 μg/ft3
0.47 μg/ft3
0.48 μg/ft3
0.49 μg/ft3
0.50 μg/ft3
NO2
12.3 ppb
14.4 ppb
18.5 ppb
20 ppb
21.6 ppb
23.1 ppb
23.6 ppb
24.1 ppb
24.6 ppb
SO2
3.8 ppb
4.1 ppb
4.4 ppb
4.5 ppb
4.7 ppb
4.9 ppb
5 ppb
5.1 ppb
5.2 ppb
CO
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
O3
48.6 ppb
48.5 ppb
23 ppb
18.6 ppb
15 ppb
11.7 ppb
9.5 ppb
7.6 ppb
6 ppb