Hourly Weather in Howard County, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
10 km/h
Light
8 km/h
Light
8 km/h
Calm
6 km/h
Calm
6 km/h
Calm
7 km/h
Calm
7 km/h
Calm
5 km/h
Calm
Humidity
39%
Dry
45%
Comfortable
54%
Comfortable
61%
Humid
63%
Humid
66%
Humid
69%
Humid
79%
Extremely humid
83%
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
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1021 hPa
High
1021 hPa
High
1021 hPa
High
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
11°
13°
15°
16°
15°
15°
15°
16°
17°
UV Index
2
1
0
0
0
0
0
0
0
Air quality
50
Moderate
50
Moderate
51
Moderate
51
Moderate
51
Moderate
42
Good
45
Good
49
Good
53
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
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.2 μg/m3
9.8 μg/m3
10.9 μg/m3
12.4 μg/m3
PM25
5.3 μg/m3
5.5 μg/m3
5.6 μg/m3
5.8 μg/m3
5.9 μg/m3
7.4 μg/m3
8 μg/m3
8.8 μg/m3
10.1 μg/m3
NO2
1.4 ppb
2.1 ppb
2.8 ppb
3.5 ppb
4.3 ppb
5.5 ppb
6.3 ppb
6.7 ppb
7.1 ppb
SO2
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 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
53.6 ppb
54.1 ppb
54.5 ppb
54.9 ppb
55.3 ppb
45.7 ppb
40.9 ppb
37.7 ppb
35.2 ppb