Hourly Weather in Greentree, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
1 km/h
Calm
4 km/h
Calm
4 km/h
Calm
8 km/h
Calm
9 km/h
Light
8 km/h
Light
9 km/h
Light
8 km/h
Light
10 km/h
Light
Humidity
68%
Humid
70%
Extremely humid
74%
Extremely humid
68%
Humid
63%
Humid
56%
Comfortable
49%
Comfortable
41%
Dry
37%
Dry
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
1020 hPa
High
1020 hPa
High
1021 hPa
High
1021 hPa
High
1021 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
Clouds
100%
100%
100%
100%
100%
91%
41%
5%
2%
Dew point
15°
15°
16°
16°
15°
14°
13°
11°
11°
UV Index
0
0
0
1
2
4
6
8
9
Air quality
29
Good
30
Good
31
Good
32
Good
35
Good
38
Good
41
Good
55
Moderate
56
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
6.5 μg/m3
15.2 μg/m3
15.3 μg/m3
PM25
5.2 μg/m3
5.3 μg/m3
5.5 μg/m3
5.7 μg/m3
5.9 μg/m3
6.1 μg/m3
6.2 μg/m3
11.3 μg/m3
11.5 μg/m3
NO2
5.6 ppb
5.3 ppb
4.9 ppb
4.6 ppb
3.4 ppb
2.3 ppb
1.1 ppb
0.9 ppb
0.7 ppb
SO2
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
24.9 ppb
27.2 ppb
30.3 ppb
33.9 ppb
37.6 ppb
41.2 ppb
44.3 ppb
48.2 ppb
50.8 ppb