Hourly Weather in Ashton-Sandy Spring, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 km/h
Light
9 km/h
Light
9 km/h
Light
8 km/h
Calm
10 km/h
Light
10 km/h
Light
7 km/h
Calm
8 km/h
Light
8 km/h
Calm
Humidity
40%
Dry
39%
Dry
39%
Dry
41%
Dry
44%
Dry
45%
Comfortable
50%
Comfortable
55%
Comfortable
67%
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
1021 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
Clouds
90%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
12°
12°
12°
12°
13°
12°
13°
14°
16°
UV Index
5
3
2
1
0
0
0
0
0
Air quality
47
Good
47
Good
47
Good
48
Good
48
Good
49
Good
47
Good
42
Good
45
Good
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
8.7 μg/m3
9.2 μg/m3
9.8 μg/m3
PM25
6.6 μg/m3
6.6 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
7 μg/m3
7.4 μg/m3
8 μg/m3
NO2
1.2 ppb
1.3 ppb
1.3 ppb
1.9 ppb
2.5 ppb
3 ppb
4.7 ppb
5.5 ppb
6.3 ppb
SO2
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.4 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
50.1 ppb
50.5 ppb
51 ppb
51.6 ppb
52.1 ppb
52.5 ppb
50.8 ppb
45.7 ppb
40.9 ppb