Hourly Weather in Santa Ana, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
11 mph
Breezy
10 mph
Breezy
8 mph
Light
7 mph
Light
6 mph
Light
6 mph
Light
5 mph
Light
5 mph
Light
Humidity
42%
Dry
45%
Comfortable
51%
Comfortable
59%
Comfortable
67%
Humid
73%
Extremely humid
77%
Extremely humid
81%
Extremely humid
84%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
9 mi
Good
8 mi
Good
Pressure
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
0%
0%
0%
0%
0%
4%
1%
4%
14%
Dew point
51°
51°
50°
50°
51°
51°
51°
51°
51°
UV Index
1
0
0
0
0
0
0
0
0
Air quality
204
Very Unhealthy
201
Very Unhealthy
194
Unhealthy
174
Unhealthy
140
Unhealthy for sensitive groups
93
Moderate
84
Moderate
90
Moderate
93
Moderate
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
0.94 μg/ft3
0.95 μg/ft3
0.98 μg/ft3
1.04 μg/ft3
1.14 μg/ft3
1.26 μg/ft3
1.38 μg/ft3
1.47 μg/ft3
1.44 μg/ft3
PM25
0.61 μg/ft3
0.62 μg/ft3
0.63 μg/ft3
0.67 μg/ft3
0.75 μg/ft3
0.83 μg/ft3
0.92 μg/ft3
0.99 μg/ft3
0.98 μg/ft3
NO2
2.39 ppb
4.76 ppb
7.13 ppb
9.5 ppb
12.87 ppb
16.23 ppb
19.6 ppb
18.23 ppb
16.85 ppb
SO2
3.29 ppb
3.34 ppb
3.39 ppb
3.44 ppb
3.45 ppb
3.46 ppb
3.48 ppb
3.03 ppb
2.58 ppb
CO
0.22 ppb
0.23 ppb
0.25 ppb
0.26 ppb
0.29 ppb
0.33 ppb
0.36 ppb
0.37 ppb
0.37 ppb
O3
112.47 ppb
101.35 ppb
90.23 ppb
79.11 ppb
68.02 ppb
56.93 ppb
45.84 ppb
40.44 ppb
35.04 ppb