Hourly Weather in Herrin, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
7 km/h
Calm
6 km/h
Calm
2 km/h
Calm
2 km/h
Calm
6 km/h
Calm
4 km/h
Calm
8 km/h
Calm
1 km/h
Calm
Humidity
66%
Humid
55%
Comfortable
47%
Comfortable
45%
Comfortable
44%
Dry
42%
Dry
48%
Comfortable
44%
Dry
48%
Comfortable
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
1020 hPa
High
1020 hPa
High
1019 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
Normal
1017 hPa
Normal
Clouds
99%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
15°
14°
13°
13°
14°
14°
15°
14°
16°
UV Index
3
4
5
6
4
2
3
3
2
Air quality
28
Good
28
Good
28
Good
29
Good
29
Good
30
Good
33
Good
53
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
9.5 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
10.5 μg/m3
10.5 μg/m3
PM25
4.9 μg/m3
4.9 μg/m3
5 μg/m3
5.1 μg/m3
5.2 μg/m3
5.3 μg/m3
5.4 μg/m3
10 μg/m3
10 μg/m3
NO2
3 ppb
1.3 ppb
1.1 ppb
0.9 ppb
0.7 ppb
0.8 ppb
0.9 ppb
1.1 ppb
1.3 ppb
SO2
0.8 ppb
1 ppb
1 ppb
1 ppb
1 ppb
0.9 ppb
0.9 ppb
0.6 ppb
0.6 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
20.3 ppb
22 ppb
24.4 ppb
27.1 ppb
29.9 ppb
32.7 ppb
35 ppb
57.2 ppb
57 ppb