Hourly Weather in Helena, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
6 km/h
Calm
12 km/h
Light
8 km/h
Calm
10 km/h
Light
11 km/h
Light
14 km/h
Light
15 km/h
Light
15 km/h
Light
Humidity
88%
Extremely humid
89%
Extremely humid
86%
Extremely humid
85%
Extremely humid
84%
Extremely humid
92%
Extremely humid
85%
Extremely humid
83%
Extremely humid
78%
Extremely humid
Visibility
14 km
Good
14 km
Good
15 km
Good
16 km
Good
15 km
Good
11 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1017 hPa
Normal
1017 hPa
Normal
1018 hPa
Normal
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
Clouds
96%
31%
100%
100%
100%
100%
100%
100%
52%
Dew point
18°
18°
19°
19°
19°
20°
21°
22°
22°
UV Index
0
0
0
1
3
6
7
4
4
Air quality
42
Good
40
Good
39
Good
52
Moderate
54
Moderate
55
Moderate
57
Moderate
53
Moderate
48
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
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
11.4 μg/m3
9 μg/m3
PM25
7.4 μg/m3
7.2 μg/m3
6.9 μg/m3
9.8 μg/m3
10.6 μg/m3
11.4 μg/m3
12.1 μg/m3
10.3 μg/m3
8.5 μg/m3
NO2
6.6 ppb
7 ppb
5.2 ppb
3 ppb
1.9 ppb
1.5 ppb
1.1 ppb
0.7 ppb
0.8 ppb
SO2
0.6 ppb
0.7 ppb
0.9 ppb
0.9 ppb
1 ppb
0.9 ppb
0.8 ppb
0.8 ppb
0.7 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
20.5 ppb
22.5 ppb
25.4 ppb
26.8 ppb
29.5 ppb
32.1 ppb
34.4 ppb
52 ppb
51.8 ppb