Hourly Weather in South Pasadena, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
4 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Light
5 mph
Light
6 mph
Light
Humidity
77%
Extremely humid
77%
Extremely humid
78%
Extremely humid
78%
Extremely humid
78%
Extremely humid
72%
Extremely humid
65%
Humid
59%
Comfortable
51%
Comfortable
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
1018 hPa
High
Clouds
0%
1%
0%
3%
3%
35%
89%
9%
0%
Dew point
37°
37°
36°
36°
36°
37°
40°
42°
42°
UV Index
0
0
0
0
0
0
1
2
3
Air quality
64
Moderate
59
Moderate
54
Moderate
52
Moderate
53
Moderate
55
Moderate
57
Moderate
53
Moderate
50
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
0.44 μg/ft3
0.38 μg/ft3
0.33 μg/ft3
0.34 μg/ft3
0.39 μg/ft3
0.44 μg/ft3
0.45 μg/ft3
0.34 μg/ft3
0.31 μg/ft3
PM25
0.43 μg/ft3
0.37 μg/ft3
0.33 μg/ft3
0.33 μg/ft3
0.39 μg/ft3
0.42 μg/ft3
0.44 μg/ft3
0.32 μg/ft3
0.30 μg/ft3
NO2
32.02 ppb
28.73 ppb
29.76 ppb
30.8 ppb
31.83 ppb
28.19 ppb
24.55 ppb
20.9 ppb
20.14 ppb
SO2
2.98 ppb
2.85 ppb
2.9 ppb
2.94 ppb
2.98 ppb
3.05 ppb
3.12 ppb
3.19 ppb
3.64 ppb
CO
0.36 ppb
0.31 ppb
0.32 ppb
0.33 ppb
0.34 ppb
0.33 ppb
0.33 ppb
0.32 ppb
0.31 ppb
O3
13.9 ppb
16.2 ppb
15.7 ppb
15.2 ppb
14.8 ppb
21.8 ppb
28.9 ppb
36 ppb
39.7 ppb