Hourly Weather in Norwalk, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
6 mph
Light
5 mph
Calm
5 mph
Light
7 mph
Light
7 mph
Light
Humidity
85%
Extremely humid
85%
Extremely humid
86%
Extremely humid
95%
Extremely humid
91%
Extremely humid
84%
Extremely humid
80%
Extremely humid
75%
Extremely humid
63%
Humid
Visibility
8 mi
Good
8 mi
Good
8 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
Normal
1018 hPa
High
1019 hPa
High
1019 hPa
High
1020 hPa
High
1019 hPa
High
Clouds
99%
100%
100%
0%
5%
64%
20%
55%
97%
Dew point
51°
51°
51°
51°
54°
57°
59°
61°
60°
UV Index
0
0
0
0
0
1
2
4
4
Air quality
38
Good
38
Good
39
Good
40
Good
43
Good
43
Good
44
Good
42
Good
41
Good
Pollen index
Tree
4 / 5
4 / 5
4 / 5
4 / 5
5 / 5
4 / 5
5 / 5
5 / 5
5 / 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
0.20 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.21 μg/ft3
0.22 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
PM25
0.19 μg/ft3
0.19 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
NO2
2.3 ppb
2.5 ppb
2.6 ppb
2.8 ppb
2.5 ppb
2.2 ppb
1.9 ppb
1.4 ppb
1 ppb
SO2
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 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 ppb
36.1 ppb
34.3 ppb
32.7 ppb
32.2 ppb
32.2 ppb
32.4 ppb
34.3 ppb
37.8 ppb