Hourly Weather in Longfield, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
8 km/h
Calm
4 km/h
Calm
4 km/h
Calm
8 km/h
Calm
6 km/h
Calm
6 km/h
Calm
5 km/h
Calm
7 km/h
Calm
Humidity
86%
Extremely humid
84%
Extremely humid
78%
Extremely humid
71%
Extremely humid
61%
Humid
62%
Humid
54%
Comfortable
51%
Comfortable
46%
Comfortable
Visibility
13 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
1019 hPa
High
1020 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
Normal
Clouds
100%
100%
100%
100%
100%
84%
34%
6%
3%
Dew point
17°
17°
16°
15°
14°
15°
15°
15°
14°
UV Index
0
0
1
2
4
5
5
7
7
Air quality
27
Good
27
Good
29
Good
30
Good
32
Good
35
Good
59
Moderate
58
Moderate
58
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
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
2 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
4.3 μg/m3
4.3 μg/m3
4.3 μg/m3
4.3 μg/m3
4.3 μg/m3
5.4 μg/m3
17.8 μg/m3
17.4 μg/m3
17 μg/m3
PM25
1.1 μg/m3
1.5 μg/m3
2 μg/m3
2.7 μg/m3
3.3 μg/m3
4.7 μg/m3
13.2 μg/m3
12.9 μg/m3
12.6 μg/m3
NO2
2.3 ppb
2 ppb
1.7 ppb
1.3 ppb
0.8 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 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
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
28.6 ppb
29.6 ppb
30.9 ppb
32.5 ppb
34.2 ppb
37.5 ppb
41.6 ppb
43.4 ppb
44.8 ppb