Hourly Weather in Alpha, North Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
28 km/h
Breezy
37 km/h
Strong
33 km/h
Strong
28 km/h
Breezy
26 km/h
Breezy
16 km/h
Light
12 km/h
Light
8 km/h
Light
5 km/h
Calm
Humidity
15%
Extremely dry
14%
Extremely dry
15%
Extremely dry
16%
Extremely dry
17%
Extremely dry
19%
Extremely dry
22%
Very dry
23%
Very dry
25%
Very dry
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
16 km
Good
Pressure
1001 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1004 hPa
Very low
1004 hPa
Low
1004 hPa
Low
1005 hPa
Low
1005 hPa
Low
Clouds
2%
7%
69%
0%
0%
0%
0%
0%
0%
Dew point
7°
6°
6°
7°
7°
7°
7°
7°
7°
UV Index
5
4
2
1
0
0
0
0
0
Air quality
80
Moderate
80
Moderate
79
Moderate
78
Moderate
76
Moderate
75
Moderate
74
Moderate
72
Moderate
67
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
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
4 / 5
Pollutants
Low risk
High risk
PM10
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
18.3 μg/m3
PM25
24.4 μg/m3
24.2 μg/m3
23.7 μg/m3
23.1 μg/m3
22.4 μg/m3
21.7 μg/m3
21 μg/m3
20.4 μg/m3
17.4 μg/m3
NO2
0.2 ppb
0.3 ppb
0.3 ppb
0.4 ppb
1.1 ppb
1.9 ppb
2.7 ppb
3.5 ppb
3.9 ppb
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.5 ppb
0.1 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
48.5 ppb
48.7 ppb
48.9 ppb
49.3 ppb
49.7 ppb
50.2 ppb
50.6 ppb
51 ppb
30.8 ppb