Hourly Weather in Helen, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
1 km/h
Calm
4 km/h
Calm
7 km/h
Calm
4 km/h
Calm
4 km/h
Calm
3 km/h
Calm
1 km/h
Calm
1 km/h
Calm
Humidity
55%
Comfortable
54%
Comfortable
53%
Comfortable
56%
Comfortable
66%
Humid
70%
Extremely humid
71%
Extremely humid
71%
Extremely humid
73%
Extremely humid
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
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
Clouds
13%
5%
2%
1%
1%
4%
0%
0%
0%
Dew point
15°
15°
15°
15°
17°
17°
17°
17°
17°
UV Index
4
2
1
0
0
0
0
0
0
Air quality
38
Good
38
Good
37
Good
37
Good
37
Good
37
Good
52
Moderate
53
Moderate
52
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
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
5.4 μg/m3
12.3 μg/m3
12.4 μg/m3
12.1 μg/m3
PM25
3.8 μg/m3
3.5 μg/m3
3.1 μg/m3
2.8 μg/m3
2.4 μg/m3
2.1 μg/m3
9.8 μg/m3
9.9 μg/m3
9.9 μg/m3
NO2
0.3 ppb
0.4 ppb
0.7 ppb
1 ppb
1.4 ppb
2 ppb
2.8 ppb
3.5 ppb
3.8 ppb
SO2
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
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
40.7 ppb
40.5 ppb
40.2 ppb
39.9 ppb
39.7 ppb
39.4 ppb
35.7 ppb
30.8 ppb
26.9 ppb