Hourly Weather in Alton, Utah, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
5 mph
Light
5 mph
Light
5 mph
Light
5 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
7 mph
Light
Humidity
59%
Comfortable
66%
Humid
71%
Extremely humid
75%
Extremely humid
79%
Extremely humid
82%
Extremely humid
84%
Extremely humid
84%
Extremely humid
82%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1020 hPa
High
1020 hPa
High
1021 hPa
High
1021 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1023 hPa
High
1023 hPa
High
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
32°
33°
33°
34°
34°
35°
35°
35°
34°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
78
Moderate
79
Moderate
83
Moderate
89
Moderate
95
Moderate
101
Unhealthy for sensitive groups
106
Unhealthy for sensitive groups
108
Unhealthy for sensitive groups
109
Unhealthy for sensitive groups
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
0.24 μg/ft3
0.69 μg/ft3
0.74 μg/ft3
0.81 μg/ft3
0.89 μg/ft3
0.97 μg/ft3
1.03 μg/ft3
1.07 μg/ft3
1.08 μg/ft3
PM25
0.70 μg/ft3
2.25 μg/ft3
2.36 μg/ft3
2.51 μg/ft3
2.68 μg/ft3
2.85 μg/ft3
2.99 μg/ft3
3.06 μg/ft3
3.08 μg/ft3
NO2
29.13 ppb
38 ppb
40.9 ppb
43.8 ppb
46.7 ppb
46.2 ppb
45.7 ppb
45.3 ppb
44.2 ppb
SO2
1.93 ppb
2.1 ppb
2.4 ppb
2.6 ppb
2.8 ppb
2.8 ppb
2.7 ppb
2.7 ppb
2.4 ppb
CO
0.37 ppb
0.4 ppb
0.5 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
O3
16.5 ppb
16.7 ppb
12.5 ppb
8.7 ppb
5.1 ppb
3.3 ppb
2.3 ppb
1.9 ppb
1.8 ppb