Hourly Weather in Portland, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
13 km/h
Light
13 km/h
Light
10 km/h
Light
12 km/h
Light
12 km/h
Light
13 km/h
Light
11 km/h
Light
10 km/h
Light
Humidity
62%
Humid
45%
Comfortable
42%
Dry
40%
Dry
32%
Dry
35%
Dry
34%
Dry
37%
Dry
38%
Dry
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
1020 hPa
High
1019 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
High
1017 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
Clouds
79%
100%
3%
1%
1%
4%
0%
0%
0%
Dew point
14°
10°
10°
10°
8°
9°
9°
11°
11°
UV Index
4
6
8
8
8
6
4
2
1
Air quality
37
Good
37
Good
38
Good
40
Good
42
Good
44
Good
50
Moderate
49
Good
47
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
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
9.5 μg/m3
9.2 μg/m3
8.9 μg/m3
PM25
6.1 μg/m3
6.4 μg/m3
6.7 μg/m3
7.1 μg/m3
7.5 μg/m3
7.8 μg/m3
8.8 μg/m3
8.5 μg/m3
8.3 μg/m3
NO2
2 ppb
1.5 ppb
1 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
1.1 ppb
1.6 ppb
SO2
0.6 ppb
0.6 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
22.4 ppb
25.1 ppb
28.3 ppb
31.6 ppb
34.7 ppb
37.4 ppb
53.5 ppb
52.3 ppb
50.1 ppb