Hourly Weather in Severn, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
4 km/h
Calm
6 km/h
Calm
9 km/h
Light
13 km/h
Light
15 km/h
Light
18 km/h
Breezy
23 km/h
Breezy
19 km/h
Breezy
Humidity
84%
Extremely humid
84%
Extremely humid
86%
Extremely humid
84%
Extremely humid
76%
Extremely humid
68%
Humid
67%
Humid
60%
Humid
54%
Comfortable
Visibility
16 km
Good
16 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1004 hPa
Very low
1004 hPa
Very low
Clouds
30%
7%
2%
22%
11%
100%
100%
100%
83%
Dew point
20°
20°
20°
21°
21°
21°
21°
20°
20°
UV Index
0
0
0
1
1
1
2
3
2
Air quality
61
Moderate
61
Moderate
61
Moderate
62
Moderate
62
Moderate
57
Moderate
57
Moderate
59
Moderate
64
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
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
12.6 μg/m3
12.6 μg/m3
13.7 μg/m3
16.2 μg/m3
PM25
14.5 μg/m3
14.6 μg/m3
14.6 μg/m3
14.7 μg/m3
14.7 μg/m3
12.4 μg/m3
12.3 μg/m3
13.4 μg/m3
15.8 μg/m3
NO2
7 ppb
6.4 ppb
5.7 ppb
5.1 ppb
4.5 ppb
4.8 ppb
4 ppb
3.5 ppb
3 ppb
SO2
0.9 ppb
0.9 ppb
0.8 ppb
0.8 ppb
0.8 ppb
0.9 ppb
0.8 ppb
0.8 ppb
0.7 ppb
CO
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
33.8 ppb
37.6 ppb
41.5 ppb
45.2 ppb
48.5 ppb
36.8 ppb
42.9 ppb
46.7 ppb
49.6 ppb