Hourly Weather in Merna, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
6 km/h
Calm
5 km/h
Calm
7 km/h
Calm
5 km/h
Calm
8 km/h
Calm
6 km/h
Calm
9 km/h
Light
8 km/h
Light
Humidity
45%
Comfortable
45%
Comfortable
44%
Dry
42%
Dry
39%
Dry
38%
Dry
38%
Dry
38%
Dry
40%
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
1018 hPa
High
1017 hPa
Normal
1017 hPa
Normal
1018 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
Clouds
20%
100%
100%
100%
98%
100%
81%
2%
8%
Dew point
11°
11°
12°
11°
11°
11°
10°
11°
11°
UV Index
6
8
8
7
6
4
2
1
0
Air quality
29
Good
29
Good
31
Good
33
Good
34
Good
36
Good
49
Good
48
Good
44
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
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
9.4 μg/m3
9.2 μg/m3
8.5 μg/m3
PM25
5.1 μg/m3
4.9 μg/m3
4.7 μg/m3
4.5 μg/m3
4.2 μg/m3
4 μg/m3
8.6 μg/m3
8.5 μg/m3
7.8 μg/m3
NO2
3.9 ppb
2.2 ppb
0.7 ppb
0.6 ppb
0.6 ppb
0.6 ppb
1.4 ppb
2.2 ppb
3.1 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
29.8 ppb
31.4 ppb
33.3 ppb
35.2 ppb
37 ppb
38.7 ppb
51.9 ppb
49.2 ppb
45.6 ppb