Daily Weather in Heraldry Square, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 km/h
Light
10 km/h
Light
20 km/h
Breezy
20 km/h
Breezy
30 km/h
Breezy
20 km/h
Breezy
10 km/h
Light
11 km/h
Light
10 km/h
Light
Humidity
94%
Extremely humid
92%
Extremely humid
96%
Extremely humid
98%
Extremely humid
84%
Extremely humid
81%
Extremely humid
82%
Extremely humid
90%
Extremely humid
85%
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
1021 hPa
High
1014 hPa
Normal
1011 hPa
Normal
1006 hPa
Low
1005 hPa
Low
1014 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1013 hPa
Normal
Clouds
100%
100%
100%
100%
99%
98%
73%
73%
98%
Dew point
19°
19°
23°
24°
18°
17°
17°
20°
20°
UV Index
8
7
5
4
7
Air quality
64
Moderate
65
Moderate
70
Moderate
62
Moderate
53
Moderate
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
18.4 μg/m3
20.9 μg/m3
19.8 μg/m3
14.8 μg/m3
7.7 μg/m3
PM25
16 μg/m3
16.6 μg/m3
19.3 μg/m3
14.6 μg/m3
7.6 μg/m3
NO2
13.8 ppb
15.6 ppb
11.9 ppb
16.3 ppb
6.8 ppb
SO2
0.6 ppb
0.8 ppb
1.2 ppb
0.8 ppb
0.5 ppb
CO
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.2 ppb
O3
62.3 ppb
67.9 ppb
72 ppb
67.3 ppb
57.8 ppb