Hourly Weather in Grantham Hall, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
3 km/h
Calm
10 km/h
Light
11 km/h
Light
11 km/h
Light
8 km/h
Light
5 km/h
Calm
9 km/h
Light
6 km/h
Calm
Humidity
74%
Extremely humid
82%
Extremely humid
89%
Extremely humid
88%
Extremely humid
90%
Extremely humid
91%
Extremely humid
93%
Extremely humid
89%
Extremely humid
81%
Extremely humid
Visibility
16 km
Good
16 km
Good
14 km
Good
15 km
Good
14 km
Good
14 km
Good
13 km
Good
14 km
Good
16 km
Good
Pressure
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
100%
77%
100%
97%
47%
30%
12%
4%
16%
Dew point
18°
19°
20°
20°
19°
20°
20°
20°
20°
UV Index
0
0
0
0
0
0
0
1
2
Air quality
42
Good
40
Good
39
Good
37
Good
38
Good
39
Good
54
Moderate
56
Moderate
60
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
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
11.3 μg/m3
12.5 μg/m3
14.8 μg/m3
PM25
7.4 μg/m3
7.2 μg/m3
6.9 μg/m3
6.6 μg/m3
6.3 μg/m3
6.1 μg/m3
10.8 μg/m3
11.9 μg/m3
13.9 μg/m3
NO2
4.2 ppb
2.6 ppb
2.5 ppb
2.5 ppb
2.4 ppb
2.6 ppb
4.1 ppb
4.4 ppb
3.6 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.5 ppb
0.6 ppb
0.7 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
35.8 ppb
36.9 ppb
38.2 ppb
39.5 ppb
40.8 ppb
42 ppb
35 ppb
34.2 ppb
38.2 ppb