Hourly Weather in Cheltenham, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
1 km/h
Calm
6 km/h
Calm
3 km/h
Calm
2 km/h
Calm
5 km/h
Calm
2 km/h
Calm
4 km/h
Calm
3 km/h
Calm
4 km/h
Calm
Humidity
56%
Comfortable
58%
Comfortable
67%
Humid
62%
Humid
69%
Humid
73%
Extremely humid
77%
Extremely humid
77%
Extremely humid
80%
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
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
1%
Dew point
15°
14°
15°
14°
15°
15°
16°
16°
16°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
38
Good
40
Good
40
Good
40
Good
39
Good
39
Good
58
Moderate
57
Moderate
57
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
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
15.5 μg/m3
15.1 μg/m3
14.8 μg/m3
PM25
4.4 μg/m3
3.8 μg/m3
3.5 μg/m3
3.2 μg/m3
3.3 μg/m3
3 μg/m3
12.7 μg/m3
12.3 μg/m3
12.1 μg/m3
NO2
3.4 ppb
4.6 ppb
5.8 ppb
6.2 ppb
6.6 ppb
7 ppb
8.3 ppb
8.1 ppb
7.9 ppb
SO2
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
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
41.1 ppb
43.2 ppb
43.2 ppb
43.2 ppb
42.1 ppb
42.4 ppb
27 ppb
25 ppb
23.2 ppb