Daily Weather in Union County, South Carolina, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 mph
Breezy
9 mph
Light
11 mph
Breezy
10 mph
Breezy
10 mph
Breezy
8 mph
Light
6 mph
Light
5 mph
Light
5 mph
Calm
Humidity
92%
Extremely humid
88%
Extremely humid
93%
Extremely humid
95%
Extremely humid
94%
Extremely humid
94%
Extremely humid
89%
Extremely humid
76%
Extremely humid
87%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1024 hPa
High
1020 hPa
High
1020 hPa
High
1021 hPa
High
1021 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
1019 hPa
High
Clouds
100%
100%
100%
98%
100%
98%
38%
37%
30%
Dew point
67°
63°
66°
66°
64°
65°
67°
65°
70°
UV Index
9
7
8
9
9
0
Air quality
64
Moderate
57
Moderate
57
Moderate
54
Moderate
51
Moderate
Pollen index
Tree
5 / 5
4 / 5
5 / 5
4 / 5
4 / 5
3 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
1.01 μg/ft3
0.51 μg/ft3
0.46 μg/ft3
0.42 μg/ft3
0.34 μg/ft3
0.27 μg/ft3
PM25
0.44 μg/ft3
0.35 μg/ft3
0.32 μg/ft3
0.30 μg/ft3
0.24 μg/ft3
0.20 μg/ft3
NO2
3.3 ppb
3.5 ppb
4.2 ppb
3.1 ppb
3.1 ppb
3.5 ppb
SO2
0.6 ppb
0.7 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.6 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
73.2 ppb
62.2 ppb
63.6 ppb
56.6 ppb
55.5 ppb
22.4 ppb