Hourly Weather in Alston, South Carolina, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Calm
9 km/h
Light
7 km/h
Calm
10 km/h
Light
3 km/h
Calm
4 km/h
Calm
3 km/h
Calm
2 km/h
Calm
3 km/h
Calm
Humidity
82%
Extremely humid
78%
Extremely humid
78%
Extremely humid
82%
Extremely humid
87%
Extremely humid
89%
Extremely humid
91%
Extremely humid
92%
Extremely humid
93%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
15 km
Good
14 km
Good
14 km
Good
13 km
Good
13 km
Good
Pressure
1018 hPa
High
1018 hPa
High
1018 hPa
High
1019 hPa
High
1019 hPa
High
1020 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
Clouds
100%
100%
100%
100%
100%
73%
55%
100%
100%
Dew point
22°
21°
21°
22°
22°
22°
22°
22°
22°
UV Index
2
1
0
0
0
0
0
0
0
Air quality
44
Good
45
Good
48
Good
50
Moderate
52
Moderate
53
Moderate
35
Good
35
Good
35
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
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
7.3 μg/m3
7.2 μg/m3
7.1 μg/m3
PM25
7.8 μg/m3
8.1 μg/m3
8.5 μg/m3
8.9 μg/m3
9.7 μg/m3
10.1 μg/m3
6.3 μg/m3
6.3 μg/m3
6.2 μg/m3
NO2
1.4 ppb
1.7 ppb
2 ppb
2.3 ppb
2.6 ppb
2.9 ppb
3.2 ppb
3.1 ppb
3 ppb
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 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
19 ppb
20.3 ppb
22 ppb
24 ppb
28.1 ppb
29.9 ppb
34 ppb
32.1 ppb
30.4 ppb