Hourly Weather in Johnson County, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Calm
8 km/h
Calm
6 km/h
Calm
3 km/h
Calm
1 km/h
Calm
0 km/h
Calm
3 km/h
Calm
7 km/h
Calm
3 km/h
Calm
Humidity
69%
Humid
66%
Humid
58%
Comfortable
53%
Comfortable
52%
Comfortable
48%
Comfortable
54%
Comfortable
53%
Comfortable
55%
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
1018 hPa
Normal
Clouds
100%
100%
98%
100%
100%
100%
100%
100%
100%
Dew point
16°
17°
16°
15°
15°
14°
16°
16°
17°
UV Index
3
4
6
7
6
4
3
2
1
Air quality
26
Good
27
Good
28
Good
30
Good
32
Good
34
Good
54
Moderate
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
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
10.3 μg/m3
10.4 μg/m3
10.5 μg/m3
PM25
4.6 μg/m3
4.8 μg/m3
4.9 μg/m3
5.1 μg/m3
5.2 μg/m3
5.4 μg/m3
10.1 μg/m3
10.1 μg/m3
10.2 μg/m3
NO2
2.8 ppb
1.4 ppb
1.2 ppb
0.9 ppb
0.6 ppb
0.8 ppb
0.8 ppb
0.9 ppb
1.2 ppb
SO2
1 ppb
1.3 ppb
1.3 ppb
1.4 ppb
1.4 ppb
1.3 ppb
1.2 ppb
1.2 ppb
1.1 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
25.9 ppb
27.9 ppb
30.2 ppb
32.7 ppb
35 ppb
37 ppb
58.8 ppb
58.4 ppb
56.9 ppb