Hourly Weather in Alpha, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Calm
8 km/h
Calm
12 km/h
Light
14 km/h
Light
15 km/h
Light
14 km/h
Light
14 km/h
Light
13 km/h
Light
11 km/h
Light
Humidity
78%
Extremely humid
83%
Extremely humid
85%
Extremely humid
89%
Extremely humid
93%
Extremely humid
93%
Extremely humid
94%
Extremely humid
96%
Extremely humid
96%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
14 km
Good
13 km
Good
13 km
Good
12 km
Good
12 km
Good
12 km
Good
Pressure
1014 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
Clouds
2%
30%
73%
100%
100%
100%
100%
100%
100%
Dew point
17°
17°
17°
18°
18°
18°
19°
19°
19°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
40
Good
40
Good
42
Good
44
Good
45
Good
47
Good
49
Good
36
Good
32
Good
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
4.1 μg/m3
3.9 μg/m3
3.9 μg/m3
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
6.7 μg/m3
5.9 μg/m3
PM25
7.1 μg/m3
7.2 μg/m3
7.5 μg/m3
7.8 μg/m3
8.1 μg/m3
8.4 μg/m3
8.7 μg/m3
6.5 μg/m3
5.7 μg/m3
NO2
3.3 ppb
3.3 ppb
3.4 ppb
3.5 ppb
3.6 ppb
3.7 ppb
3.8 ppb
3.8 ppb
3.8 ppb
SO2
0.2 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.4 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
38.8 ppb
38.6 ppb
38.4 ppb
38.2 ppb
38 ppb
37.8 ppb
37.6 ppb
25.3 ppb
23.9 ppb