Hourly Weather in Fern Valley, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
3 km/h
Calm
4 km/h
Calm
6 km/h
Calm
7 km/h
Calm
3 km/h
Calm
3 km/h
Calm
4 km/h
Calm
4 km/h
Calm
Humidity
81%
Extremely humid
81%
Extremely humid
85%
Extremely humid
80%
Extremely humid
71%
Extremely humid
62%
Humid
57%
Comfortable
54%
Comfortable
51%
Comfortable
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
1015 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
Clouds
0%
16%
1%
8%
15%
11%
5%
40%
83%
Dew point
15°
15°
16°
17°
16°
15°
15°
15°
15°
UV Index
0
0
0
1
2
4
6
7
6
Air quality
35
Good
33
Good
30
Good
26
Good
29
Good
33
Good
36
Good
48
Good
51
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
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
11.5 μg/m3
12.4 μg/m3
PM25
6.2 μg/m3
5.9 μg/m3
5.3 μg/m3
4.7 μg/m3
4.1 μg/m3
3.5 μg/m3
3 μg/m3
8.6 μg/m3
9.3 μg/m3
NO2
6.8 ppb
6.1 ppb
5.3 ppb
4.5 ppb
3.3 ppb
2.2 ppb
1 ppb
0.8 ppb
0.7 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
18.5 ppb
20.8 ppb
24 ppb
27.7 ppb
31.6 ppb
35.3 ppb
38.5 ppb
47 ppb
50.8 ppb