Hourly Weather in Chelsea, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 km/h
Calm
8 km/h
Light
9 km/h
Light
9 km/h
Light
9 km/h
Light
7 km/h
Calm
7 km/h
Calm
5 km/h
Calm
6 km/h
Calm
Humidity
61%
Humid
59%
Comfortable
61%
Humid
65%
Humid
69%
Humid
72%
Extremely humid
71%
Extremely humid
71%
Extremely humid
73%
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
1021 hPa
High
1021 hPa
High
1021 hPa
High
1020 hPa
High
1021 hPa
High
1021 hPa
High
1020 hPa
High
1019 hPa
High
Clouds
82%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
17°
16°
15°
16°
16°
16°
16°
16°
16°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
37
Good
37
Good
38
Good
39
Good
40
Good
41
Good
42
Good
42
Good
44
Good
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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
9.6 μg/m3
PM25
5 μg/m3
5 μg/m3
5 μg/m3
5.1 μg/m3
5.1 μg/m3
5.2 μg/m3
5.2 μg/m3
5.3 μg/m3
7.9 μg/m3
NO2
2.1 ppb
2.6 ppb
3 ppb
3.5 ppb
3.9 ppb
4.9 ppb
5.9 ppb
6.8 ppb
8.1 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
39.9 ppb
40.2 ppb
40.9 ppb
41.7 ppb
42.7 ppb
43.7 ppb
44.7 ppb
45.6 ppb
28.1 ppb