Hourly Weather in Roundtree, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
2 km/h
Calm
3 km/h
Calm
4 km/h
Calm
6 km/h
Calm
7 km/h
Calm
9 km/h
Light
11 km/h
Light
10 km/h
Light
9 km/h
Light
Humidity
81%
Extremely humid
79%
Extremely humid
78%
Extremely humid
75%
Extremely humid
67%
Humid
61%
Humid
60%
Humid
63%
Humid
62%
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
16 km
Good
Pressure
1020 hPa
High
1020 hPa
High
1019 hPa
High
1020 hPa
High
1019 hPa
High
1019 hPa
High
1018 hPa
High
1017 hPa
Normal
1016 hPa
Normal
Clouds
51%
9%
9%
16%
13%
20%
97%
83%
27%
Dew point
16°
16°
17°
17°
16°
16°
16°
17°
17°
UV Index
0
0
2
4
6
8
8
8
6
Air quality
28
Good
30
Good
33
Good
28
Good
31
Good
35
Good
38
Good
66
Moderate
66
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
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
21.7 μg/m3
21.4 μg/m3
PM25
5 μg/m3
5.4 μg/m3
5.8 μg/m3
5 μg/m3
5.1 μg/m3
5.2 μg/m3
5.3 μg/m3
17 μg/m3
16.8 μg/m3
NO2
4.7 ppb
4 ppb
3 ppb
2 ppb
1 ppb
0.8 ppb
0.7 ppb
0.5 ppb
0.5 ppb
SO2
0.5 ppb
0.6 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
O3
18 ppb
21.4 ppb
26 ppb
28.4 ppb
33 ppb
37.3 ppb
41.1 ppb
60.8 ppb
62.7 ppb