Hourly Weather in Glen Brook, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 mph
Breezy
10 mph
Breezy
6 mph
Light
4 mph
Calm
4 mph
Calm
5 mph
Calm
6 mph
Light
6 mph
Light
6 mph
Light
Humidity
70%
Extremely humid
68%
Humid
76%
Extremely humid
78%
Extremely humid
80%
Extremely humid
80%
Extremely humid
82%
Extremely humid
80%
Extremely humid
80%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
8 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
Pressure
1014 hPa
Normal
1015 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1017 hPa
Normal
1018 hPa
High
1017 hPa
Normal
1017 hPa
Normal
Clouds
100%
55%
2%
100%
100%
100%
100%
100%
100%
Dew point
53°
53°
54°
53°
53°
54°
54°
52°
52°
UV Index
1
0
0
0
0
0
0
0
0
Air quality
54
Moderate
53
Moderate
52
Moderate
45
Good
40
Good
42
Good
48
Good
51
Moderate
52
Moderate
Pollen index
Tree
2 / 5
2 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 5
2 / 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
0.32 μg/ft3
0.30 μg/ft3
0.28 μg/ft3
0.23 μg/ft3
0.21 μg/ft3
0.22 μg/ft3
0.25 μg/ft3
0.27 μg/ft3
0.28 μg/ft3
PM25
0.30 μg/ft3
0.29 μg/ft3
0.27 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
0.21 μg/ft3
0.24 μg/ft3
0.26 μg/ft3
0.27 μg/ft3
NO2
3.2 ppb
4.5 ppb
5.8 ppb
6 ppb
6.3 ppb
6.6 ppb
7.3 ppb
8 ppb
8.8 ppb
SO2
1.1 ppb
1.1 ppb
1 ppb
0.9 ppb
0.8 ppb
0.6 ppb
0.6 ppb
0.6 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
58.5 ppb
54.9 ppb
52.4 ppb
48.4 ppb
42.9 ppb
37.6 ppb
33.6 ppb
29.8 ppb
26.2 ppb