Hourly Weather in Knox, South Carolina, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 km/h
Calm
5 km/h
Calm
5 km/h
Calm
3 km/h
Calm
4 km/h
Calm
5 km/h
Calm
5 km/h
Calm
2 km/h
Calm
5 km/h
Calm
Humidity
96%
Extremely humid
95%
Extremely humid
92%
Extremely humid
89%
Extremely humid
83%
Extremely humid
78%
Extremely humid
75%
Extremely humid
70%
Extremely humid
66%
Humid
Visibility
12 km
Good
12 km
Good
13 km
Good
14 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
Clouds
100%
100%
100%
93%
58%
100%
100%
76%
94%
Dew point
21°
22°
22°
22°
23°
22°
22°
22°
21°
UV Index
2
3
5
6
3
2
4
6
3
Air quality
23
Good
28
Good
33
Good
40
Good
47
Good
52
Moderate
54
Moderate
43
Good
45
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
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
7.8 μg/m3
PM25
4.1 μg/m3
4.9 μg/m3
5.9 μg/m3
7.2 μg/m3
8.4 μg/m3
9.6 μg/m3
10.7 μg/m3
7 μg/m3
7.3 μg/m3
NO2
2.7 ppb
1.8 ppb
0.8 ppb
0.8 ppb
0.7 ppb
0.7 ppb
0.6 ppb
0.6 ppb
0.5 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
10.4 ppb
13.7 ppb
18.2 ppb
23.5 ppb
29 ppb
34.3 ppb
38.9 ppb
46.7 ppb
48 ppb