Hourly Weather in Santa Ana, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 km/h
Light
17 km/h
Breezy
13 km/h
Light
14 km/h
Light
14 km/h
Light
12 km/h
Light
11 km/h
Light
8 km/h
Light
7 km/h
Calm
Humidity
47%
Comfortable
53%
Comfortable
48%
Comfortable
58%
Comfortable
51%
Comfortable
62%
Humid
74%
Extremely humid
81%
Extremely humid
86%
Extremely humid
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
15 km
Good
Pressure
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
4%
5%
2%
5%
1%
5%
17%
22%
14%
Dew point
17°
18°
17°
18°
16°
18°
19°
19°
19°
UV Index
10
9
7
5
2
1
0
0
0
Air quality
81
Moderate
81
Moderate
80
Moderate
80
Moderate
80
Moderate
79
Moderate
79
Moderate
53
Moderate
52
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
34.5 μg/m3
34.5 μg/m3
34.5 μg/m3
34.5 μg/m3
34.5 μg/m3
34.5 μg/m3
34.5 μg/m3
14.6 μg/m3
14.4 μg/m3
PM25
24.9 μg/m3
24.8 μg/m3
24.6 μg/m3
24.5 μg/m3
24.3 μg/m3
24.1 μg/m3
24 μg/m3
9.9 μg/m3
9.8 μg/m3
NO2
2.7 ppb
2.2 ppb
2.3 ppb
2.3 ppb
2.5 ppb
3.6 ppb
4.7 ppb
4.7 ppb
4.7 ppb
SO2
0.8 ppb
0.8 ppb
0.8 ppb
0.9 ppb
0.9 ppb
0.9 ppb
0.9 ppb
0.4 ppb
0.4 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
40.2 ppb
40.9 ppb
41.8 ppb
42.8 ppb
43.9 ppb
44.9 ppb
45.8 ppb
40 ppb
39.6 ppb