Hourly Weather in Simpsons Mill, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
5 km/h
Calm
3 km/h
Calm
2 km/h
Calm
4 km/h
Calm
6 km/h
Calm
5 km/h
Calm
3 km/h
Calm
3 km/h
Calm
Humidity
88%
Extremely humid
89%
Extremely humid
90%
Extremely humid
90%
Extremely humid
88%
Extremely humid
90%
Extremely humid
91%
Extremely humid
83%
Extremely humid
74%
Extremely humid
Visibility
14 km
Good
14 km
Good
13 km
Good
13 km
Good
14 km
Good
13 km
Good
14 km
Good
16 km
Good
16 km
Good
Pressure
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
3%
21%
0%
4%
4%
47%
4%
0%
1%
Dew point
20°
19°
19°
19°
18°
18°
19°
19°
19°
UV Index
0
0
0
0
0
0
0
1
2
Air quality
51
Moderate
50
Moderate
50
Moderate
50
Moderate
80
Moderate
83
Moderate
85
Moderate
86
Moderate
85
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
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
25.4 μg/m3
26.7 μg/m3
27.7 μg/m3
28.3 μg/m3
28.2 μg/m3
PM25
9.1 μg/m3
9 μg/m3
9 μg/m3
9 μg/m3
24.6 μg/m3
25.9 μg/m3
26.9 μg/m3
27.4 μg/m3
27.3 μg/m3
NO2
6.9 ppb
7.5 ppb
7.7 ppb
7.9 ppb
7.9 ppb
7.1 ppb
6.3 ppb
5.5 ppb
3.9 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.6 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
O3
43.7 ppb
45.1 ppb
46.4 ppb
47.6 ppb
23.6 ppb
23.4 ppb
24.2 ppb
25.7 ppb
32 ppb