Hourly Weather in San Tan Valley, Arizona, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
5 mph
Light
5 mph
Light
Humidity
24%
Very dry
27%
Very dry
29%
Very dry
32%
Dry
33%
Dry
34%
Dry
29%
Very dry
24%
Very dry
20%
Very dry
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
24°
24°
25°
26°
27°
27°
28°
29°
29°
UV Index
0
0
0
0
0
0
0
2
4
Air quality
38
Good
35
Good
33
Good
31
Good
29
Good
31
Good
35
Good
40
Good
45
Good
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
0.30 μg/ft3
0.32 μg/ft3
0.34 μg/ft3
0.38 μg/ft3
0.43 μg/ft3
0.42 μg/ft3
0.43 μg/ft3
0.63 μg/ft3
0.56 μg/ft3
PM25
0.17 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.18 μg/ft3
0.19 μg/ft3
0.22 μg/ft3
0.21 μg/ft3
0.18 μg/ft3
NO2
6.11 ppb
6.65 ppb
6.74 ppb
6.83 ppb
6.92 ppb
5.58 ppb
4.25 ppb
2.91 ppb
2.08 ppb
SO2
0.27 ppb
0.27 ppb
0.28 ppb
0.28 ppb
0.28 ppb
0.36 ppb
0.43 ppb
0.51 ppb
0.41 ppb
CO
0.16 ppb
0.16 ppb
0.16 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.14 ppb
O3
36.63 ppb
33.94 ppb
32.27 ppb
30.61 ppb
28.94 ppb
35.96 ppb
42.99 ppb
50.02 ppb
54.5 ppb