Hourly Weather in Alton, Utah, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
19 km/h
Breezy
18 km/h
Breezy
10 km/h
Light
8 km/h
Calm
5 km/h
Calm
5 km/h
Calm
7 km/h
Calm
8 km/h
Light
9 km/h
Light
Humidity
20%
Very dry
22%
Very dry
25%
Very dry
26%
Very dry
27%
Very dry
33%
Dry
32%
Dry
26%
Very dry
29%
Very 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
1004 hPa
Low
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
Clouds
4%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
5°
6°
6°
5°
6°
7°
7°
4°
5°
UV Index
1
0
0
0
0
0
0
0
0
Air quality
45
Good
45
Good
45
Good
45
Good
45
Good
45
Good
45
Good
33
Good
31
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
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
6.1 μg/m3
5.9 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
6.1 μg/m3
6.2 μg/m3
PM25
5.5 μg/m3
5.6 μg/m3
5.9 μg/m3
6.2 μg/m3
6.6 μg/m3
6.9 μg/m3
7.1 μg/m3
4 μg/m3
4 μg/m3
NO2
0.3 ppb
0.6 ppb
0.8 ppb
1.1 ppb
1.4 ppb
1.7 ppb
1.9 ppb
2.7 ppb
2.9 ppb
SO2
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
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
48.5 ppb
48.6 ppb
48.6 ppb
48.6 ppb
48.6 ppb
48.7 ppb
48.7 ppb
35.3 ppb
33.7 ppb