Hourly Weather in Siam, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
8 km/h
Calm
8 km/h
Calm
8 km/h
Calm
13 km/h
Light
14 km/h
Light
15 km/h
Light
12 km/h
Light
10 km/h
Light
Humidity
98%
Extremely humid
96%
Extremely humid
95%
Extremely humid
97%
Extremely humid
91%
Extremely humid
85%
Extremely humid
81%
Extremely humid
77%
Extremely humid
71%
Extremely humid
Visibility
4 km
Low
12 km
Good
12 km
Good
12 km
Good
13 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
93%
59%
25%
18%
7%
24%
38%
39%
21%
Dew point
23°
23°
22°
22°
23°
23°
24°
24°
24°
UV Index
0
0
0
0
1
2
4
6
7
Air quality
60
Moderate
60
Moderate
60
Moderate
59
Moderate
59
Moderate
59
Moderate
58
Moderate
40
Good
45
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
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
18.3 μg/m3
7.6 μg/m3
8.5 μg/m3
PM25
13.9 μg/m3
13.8 μg/m3
13.7 μg/m3
13.5 μg/m3
13.3 μg/m3
13.2 μg/m3
12.8 μg/m3
7.2 μg/m3
8 μg/m3
NO2
4.5 ppb
4.7 ppb
4.9 ppb
5.1 ppb
3.8 ppb
2.6 ppb
1.3 ppb
1 ppb
0.8 ppb
SO2
0.5 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 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
11.9 ppb
13.2 ppb
15.7 ppb
19.1 ppb
23.2 ppb
27.4 ppb
35.1 ppb
39.5 ppb
44.3 ppb