Hourly Weather in Chester, Pennsylvania, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 km/h
Calm
9 km/h
Light
11 km/h
Light
10 km/h
Light
9 km/h
Light
6 km/h
Calm
5 km/h
Calm
9 km/h
Light
9 km/h
Light
Humidity
36%
Dry
34%
Dry
34%
Dry
33%
Dry
34%
Dry
43%
Dry
49%
Comfortable
58%
Comfortable
71%
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
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
Clouds
10%
9%
18%
4%
97%
94%
44%
0%
0%
Dew point
12°
11°
11°
11°
11°
13°
14°
15°
17°
UV Index
5
3
2
1
0
0
0
0
0
Air quality
47
Good
51
Moderate
53
Moderate
54
Moderate
56
Moderate
71
Moderate
73
Moderate
74
Moderate
75
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
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
21.8 μg/m3
22.5 μg/m3
23.3 μg/m3
23.7 μg/m3
PM25
8.3 μg/m3
9.1 μg/m3
9.9 μg/m3
10.7 μg/m3
11.5 μg/m3
19.8 μg/m3
20.6 μg/m3
21.3 μg/m3
21.6 μg/m3
NO2
1.1 ppb
1.1 ppb
1.2 ppb
2.5 ppb
3.9 ppb
8.2 ppb
10 ppb
11.7 ppb
13.5 ppb
SO2
1 ppb
0.9 ppb
0.9 ppb
0.8 ppb
0.8 ppb
1 ppb
0.9 ppb
0.8 ppb
0.7 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
38.6 ppb
42.7 ppb
47 ppb
51 ppb
54.5 ppb
62.8 ppb
57.9 ppb
48 ppb
40.6 ppb