Hourly Weather in Alto, Washington, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
22 km/h
Breezy
23 km/h
Breezy
24 km/h
Breezy
25 km/h
Breezy
23 km/h
Breezy
20 km/h
Breezy
16 km/h
Breezy
12 km/h
Light
10 km/h
Light
Humidity
17%
Extremely dry
15%
Extremely dry
14%
Extremely dry
11%
Extremely dry
11%
Extremely dry
11%
Extremely dry
13%
Extremely dry
13%
Extremely dry
14%
Extremely dry
Visibility
15 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
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
3%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
3°
1°
1°
-2°
-1°
-1°
0°
0°
0°
UV Index
7
7
6
5
3
2
1
0
0
Air quality
127
Unhealthy for sensitive groups
130
Unhealthy for sensitive groups
134
Unhealthy for sensitive groups
141
Unhealthy for sensitive groups
148
Unhealthy for sensitive groups
152
Unhealthy
155
Unhealthy
156
Unhealthy
76
Moderate
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
59 μg/m3
59 μg/m3
59 μg/m3
59 μg/m3
59 μg/m3
59 μg/m3
59 μg/m3
59 μg/m3
22.5 μg/m3
PM25
45.9 μg/m3
46.9 μg/m3
48.7 μg/m3
51.3 μg/m3
54.3 μg/m3
57.5 μg/m3
60.4 μg/m3
63 μg/m3
22.2 μg/m3
NO2
1.7 ppb
1.4 ppb
1.3 ppb
1.3 ppb
1.1 ppb
1.1 ppb
1.5 ppb
1.9 ppb
2.2 ppb
SO2
1.2 ppb
1 ppb
0.7 ppb
0.6 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
CO
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
46.4 ppb
47 ppb
48.2 ppb
49.9 ppb
51.9 ppb
54 ppb
55.9 ppb
57.6 ppb
70.1 ppb