Hourly Weather in Glen Brook, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 mph
Breezy
12 mph
Breezy
14 mph
Breezy
15 mph
Breezy
12 mph
Breezy
12 mph
Breezy
13 mph
Breezy
12 mph
Breezy
11 mph
Breezy
Humidity
81%
Extremely humid
82%
Extremely humid
82%
Extremely humid
82%
Extremely humid
85%
Extremely humid
86%
Extremely humid
86%
Extremely humid
86%
Extremely humid
82%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
7 mi
Good
9 mi
Good
9 mi
Good
7 mi
Good
3 mi
Low
7 mi
Good
9 mi
Good
Pressure
1009 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1009 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1013 hPa
Normal
1015 hPa
Normal
Clouds
100%
100%
100%
100%
74%
100%
100%
100%
100%
Dew point
55°
56°
56°
56°
53°
52°
48°
44°
38°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
44
Good
37
Good
35
Good
35
Good
34
Good
31
Good
27
Good
24
Good
23
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 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
0.23 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
0.15 μg/ft3
0.13 μg/ft3
0.09 μg/ft3
0.06 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
PM25
0.22 μg/ft3
0.19 μg/ft3
0.16 μg/ft3
0.15 μg/ft3
0.12 μg/ft3
0.09 μg/ft3
0.06 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
NO2
1.2 ppb
1.1 ppb
1 ppb
0.9 ppb
1.4 ppb
1.9 ppb
2.3 ppb
2.5 ppb
2.7 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.6 ppb
1 ppb
1.4 ppb
1.8 ppb
2.3 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
39 ppb
38.5 ppb
38.1 ppb
38 ppb
36.9 ppb
33.6 ppb
28.8 ppb
26.3 ppb
24.5 ppb