Hourly Weather in Chester, Maryland, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
4 km/h
Calm
6 km/h
Calm
7 km/h
Calm
6 km/h
Calm
6 km/h
Calm
5 km/h
Calm
5 km/h
Calm
4 km/h
Calm
Humidity
72%
Extremely humid
76%
Extremely humid
79%
Extremely humid
75%
Extremely humid
71%
Extremely humid
66%
Humid
61%
Humid
47%
Comfortable
44%
Dry
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
1021 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
Clouds
100%
100%
47%
70%
84%
29%
21%
7%
5%
Dew point
15°
16°
17°
17°
16°
16°
16°
13°
13°
UV Index
0
0
0
1
2
4
6
8
9
Air quality
25
Good
26
Good
28
Good
31
Good
33
Good
35
Good
37
Good
56
Moderate
56
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
1 / 5
1 / 5
1 / 5
0 / 5
1 / 5
1 / 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
6.5 μg/m3
16 μg/m3
16.1 μg/m3
PM25
3.3 μg/m3
3.4 μg/m3
3.7 μg/m3
3.9 μg/m3
4.2 μg/m3
4.4 μg/m3
4.6 μg/m3
11.7 μg/m3
11.8 μg/m3
NO2
3.5 ppb
3.3 ppb
3.2 ppb
3 ppb
2.2 ppb
1.5 ppb
0.7 ppb
0.6 ppb
0.5 ppb
SO2
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 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
26.7 ppb
28.3 ppb
30.5 ppb
33 ppb
35.7 ppb
38.2 ppb
40.4 ppb
48.2 ppb
49 ppb