Daily Weather in Portland, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
21 km/h
Breezy
22 km/h
Breezy
20 km/h
Breezy
8 km/h
Calm
9 km/h
Light
17 km/h
Breezy
8 km/h
Light
10 km/h
Light
11 km/h
Light
Humidity
96%
Extremely humid
94%
Extremely humid
94%
Extremely humid
93%
Extremely humid
93%
Extremely humid
96%
Extremely humid
95%
Extremely humid
94%
Extremely humid
89%
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
1013 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1014 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
Clouds
100%
100%
93%
98%
12%
100%
100%
15%
12%
Dew point
25°
27°
26°
20°
22°
22°
21°
21°
20°
UV Index
8
4
9
9
0
Air quality
53
Moderate
44
Good
49
Good
45
Good
27
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
25.9 μg/m3
5.1 μg/m3
5.2 μg/m3
6 μg/m3
4.9 μg/m3
PM25
9.1 μg/m3
4.4 μg/m3
4.1 μg/m3
5.8 μg/m3
4.8 μg/m3
NO2
6.2 ppb
6.1 ppb
4.2 ppb
13.7 ppb
10.4 ppb
SO2
0.4 ppb
0.5 ppb
0.3 ppb
0.3 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
57.4 ppb
47.5 ppb
52.5 ppb
48.4 ppb
15 ppb