Hourly Weather in Alta, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
16 km/h
Light
15 km/h
Light
14 km/h
Light
13 km/h
Light
10 km/h
Light
8 km/h
Calm
8 km/h
Calm
6 km/h
Calm
2 km/h
Calm
Humidity
15%
Extremely dry
17%
Extremely dry
17%
Extremely dry
17%
Extremely dry
16%
Extremely dry
18%
Extremely dry
20%
Very dry
22%
Very dry
32%
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
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
1%
7%
0%
0%
0%
0%
0%
0%
0%
Dew point
0°
1°
0°
0°
-1°
0°
0°
1°
4°
UV Index
8
5
3
1
0
0
0
0
0
Air quality
41
Good
41
Good
42
Good
43
Good
44
Good
44
Good
47
Good
42
Good
37
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
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
4.7 μg/m3
5.4 μg/m3
5.7 μg/m3
PM25
7.3 μg/m3
7.3 μg/m3
7.3 μg/m3
7.3 μg/m3
7.3 μg/m3
7.3 μg/m3
3.9 μg/m3
4.6 μg/m3
4.9 μg/m3
NO2
0.3 ppb
0.3 ppb
0.3 ppb
0.6 ppb
1 ppb
1.2 ppb
2.7 ppb
4.2 ppb
5.6 ppb
SO2
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
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
43.9 ppb
44.6 ppb
45.4 ppb
46.2 ppb
47 ppb
47.7 ppb
50.2 ppb
45.5 ppb
39.9 ppb