Hourly Weather in Harp, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
9 km/h
Light
8 km/h
Light
6 km/h
Calm
7 km/h
Calm
6 km/h
Calm
4 km/h
Calm
5 km/h
Calm
3 km/h
Calm
Humidity
72%
Extremely humid
68%
Humid
63%
Humid
56%
Comfortable
50%
Comfortable
49%
Comfortable
47%
Comfortable
46%
Comfortable
58%
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
1012 hPa
Normal
1013 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1010 hPa
Normal
Clouds
33%
34%
22%
21%
22%
70%
37%
18%
87%
Dew point
18°
18°
17°
17°
16°
15°
15°
15°
16°
UV Index
6
6
6
5
3
1
0
0
0
Air quality
35
Good
36
Good
39
Good
42
Good
45
Good
47
Good
78
Moderate
78
Moderate
77
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
24.5 μg/m3
24.3 μg/m3
24 μg/m3
PM25
6.2 μg/m3
6.5 μg/m3
7 μg/m3
7.5 μg/m3
8 μg/m3
8.4 μg/m3
23.2 μg/m3
23.1 μg/m3
22.8 μg/m3
NO2
0.7 ppb
0.6 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.6 ppb
1.1 ppb
1.5 ppb
1.9 ppb
SO2
0.6 ppb
0.7 ppb
0.8 ppb
0.8 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.6 ppb
0.5 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
27.6 ppb
30.2 ppb
33.1 ppb
36.2 ppb
39.1 ppb
41.7 ppb
64.9 ppb
61.4 ppb
57.9 ppb