Hourly Weather in Roller, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Calm
7 km/h
Calm
8 km/h
Light
10 km/h
Light
12 km/h
Light
12 km/h
Light
12 km/h
Light
11 km/h
Light
10 km/h
Light
Humidity
85%
Extremely humid
84%
Extremely humid
83%
Extremely humid
74%
Extremely humid
67%
Humid
59%
Comfortable
52%
Comfortable
49%
Comfortable
45%
Comfortable
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
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
3%
0%
0%
0%
2%
0%
17%
18%
100%
Dew point
18°
18°
18°
18°
17°
17°
16°
16°
15°
UV Index
0
0
0
1
2
3
5
6
7
Air quality
42
Good
43
Good
43
Good
44
Good
44
Good
79
Moderate
80
Moderate
78
Moderate
75
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
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
24.7 μg/m3
25.1 μg/m3
24.2 μg/m3
23 μg/m3
PM25
7.5 μg/m3
7.6 μg/m3
7.7 μg/m3
7.8 μg/m3
7.9 μg/m3
24 μg/m3
24.2 μg/m3
23.1 μg/m3
21.8 μg/m3
NO2
7.9 ppb
7.3 ppb
6.7 ppb
6 ppb
4.4 ppb
2.7 ppb
1.2 ppb
1 ppb
0.8 ppb
SO2
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.6 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
36.9 ppb
38.8 ppb
40.8 ppb
42.7 ppb
44.4 ppb
40.4 ppb
52.2 ppb
58.4 ppb
61.8 ppb