Hourly Weather in Chelsea, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 km/h
Calm
5 km/h
Calm
7 km/h
Calm
8 km/h
Calm
9 km/h
Light
7 km/h
Calm
6 km/h
Calm
7 km/h
Calm
11 km/h
Light
Humidity
97%
Extremely humid
97%
Extremely humid
97%
Extremely humid
92%
Extremely humid
85%
Extremely humid
83%
Extremely humid
76%
Extremely humid
68%
Humid
63%
Humid
Visibility
1 km
Low
0 km
Low
1 km
Low
13 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
100%
100%
100%
92%
82%
93%
43%
45%
10%
Dew point
20°
20°
21°
21°
22°
22°
23°
22°
22°
UV Index
0
0
1
3
4
6
8
8
7
Air quality
55
Moderate
55
Moderate
55
Moderate
54
Moderate
54
Moderate
54
Moderate
54
Moderate
52
Moderate
53
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
5.5 μg/m3
6.1 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
11.4 μg/m3
11.9 μg/m3
PM25
11.2 μg/m3
11.1 μg/m3
11 μg/m3
10.9 μg/m3
10.8 μg/m3
10.7 μg/m3
10.6 μg/m3
9.7 μg/m3
10 μg/m3
NO2
4.1 ppb
3.3 ppb
2.5 ppb
1.6 ppb
1.3 ppb
0.9 ppb
0.5 ppb
0.5 ppb
0.5 ppb
SO2
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 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
28.6 ppb
29.7 ppb
31.2 ppb
33 ppb
34.8 ppb
36.6 ppb
38.1 ppb
45.5 ppb
47.7 ppb