Hourly Weather in Graystone, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 km/h
Calm
8 km/h
Light
7 km/h
Calm
8 km/h
Calm
7 km/h
Calm
7 km/h
Calm
6 km/h
Calm
6 km/h
Calm
5 km/h
Calm
Humidity
90%
Extremely humid
83%
Extremely humid
80%
Extremely humid
64%
Humid
55%
Comfortable
50%
Comfortable
44%
Dry
42%
Dry
40%
Dry
Visibility
14 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
1021 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
Normal
1017 hPa
Normal
Clouds
8%
2%
11%
3%
5%
5%
0%
0%
0%
Dew point
16°
16°
17°
15°
14°
13°
12°
12°
12°
UV Index
0
1
2
4
6
8
9
8
7
Air quality
28
Good
31
Good
34
Good
38
Good
41
Good
44
Good
51
Moderate
53
Moderate
54
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
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
10.9 μg/m3
10.7 μg/m3
10.5 μg/m3
PM25
4.9 μg/m3
4.8 μg/m3
4.7 μg/m3
4.6 μg/m3
4.5 μg/m3
4.4 μg/m3
8.2 μg/m3
8.1 μg/m3
8.1 μg/m3
NO2
5.8 ppb
4.8 ppb
3.6 ppb
2.2 ppb
0.9 ppb
0.9 ppb
0.7 ppb
0.6 ppb
0.6 ppb
SO2
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 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
0.1 ppb
O3
30.4 ppb
33.4 ppb
37 ppb
40.7 ppb
44.2 ppb
47.3 ppb
55.6 ppb
58.1 ppb
59.7 ppb