Daily Weather in Bull Run, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 km/h
Light
16 km/h
Breezy
23 km/h
Breezy
21 km/h
Breezy
22 km/h
Breezy
14 km/h
Light
14 km/h
Light
11 km/h
Light
13 km/h
Light
Humidity
100%
Extremely humid
93%
Extremely humid
96%
Extremely humid
92%
Extremely humid
80%
Extremely humid
89%
Extremely humid
88%
Extremely humid
96%
Extremely humid
94%
Extremely humid
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
15 km
Good
Pressure
1015 hPa
Normal
1011 hPa
Normal
1008 hPa
Low
1006 hPa
Low
1013 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1011 hPa
Normal
1016 hPa
Normal
Clouds
100%
100%
100%
52%
98%
100%
100%
100%
96%
Dew point
21°
23°
24°
21°
20°
21°
22°
24°
24°
UV Index
7
7
5
7
4
Air quality
41
Good
75
Moderate
67
Moderate
51
Moderate
49
Good
Pollen index
Tree
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
Grass
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
8.6 μg/m3
23.2 μg/m3
18.3 μg/m3
4.5 μg/m3
7.1 μg/m3
PM25
7.3 μg/m3
21.8 μg/m3
17.6 μg/m3
4.5 μg/m3
6.9 μg/m3
NO2
3.6 ppb
1.8 ppb
2.1 ppb
2.9 ppb
2.6 ppb
SO2
0.3 ppb
0.7 ppb
0.6 ppb
0.6 ppb
0.6 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
43.9 ppb
69 ppb
47.5 ppb
54.7 ppb
53.2 ppb