Hourly Weather in Alpha, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
6 km/h
Calm
6 km/h
Calm
6 km/h
Calm
5 km/h
Calm
5 km/h
Calm
3 km/h
Calm
4 km/h
Calm
5 km/h
Calm
Humidity
97%
Extremely humid
91%
Extremely humid
92%
Extremely humid
93%
Extremely humid
94%
Extremely humid
94%
Extremely humid
95%
Extremely humid
91%
Extremely humid
95%
Extremely humid
Visibility
15 km
Good
13 km
Good
13 km
Good
13 km
Good
12 km
Good
12 km
Good
7 km
Fair
13 km
Good
12 km
Good
Pressure
1021 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
1020 hPa
High
1020 hPa
High
Clouds
96%
100%
100%
98%
100%
100%
100%
100%
100%
Dew point
18°
18°
18°
18°
18°
18°
18°
18°
18°
UV Index
0
0
0
0
0
0
0
0
1
Air quality
30
Good
31
Good
32
Good
34
Good
33
Good
40
Good
43
Good
42
Good
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
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
12.7 μg/m3
PM25
4.6 μg/m3
5 μg/m3
5.4 μg/m3
6 μg/m3
5.9 μg/m3
7.1 μg/m3
7.6 μg/m3
7.5 μg/m3
9.8 μg/m3
NO2
2.1 ppb
2.2 ppb
2.4 ppb
2.7 ppb
2.9 ppb
2.6 ppb
2.3 ppb
2 ppb
1.7 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 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
32.7 ppb
33.5 ppb
34.5 ppb
35.6 ppb
32.9 ppb
38 ppb
39 ppb
37.8 ppb
34.1 ppb