Hourly Weather in King County, Washington, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
6 mph
Light
6 mph
Light
5 mph
Light
5 mph
Light
5 mph
Light
6 mph
Light
6 mph
Light
7 mph
Light
Humidity
34%
Dry
33%
Dry
32%
Dry
32%
Dry
33%
Dry
36%
Dry
40%
Dry
42%
Dry
44%
Dry
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
1021 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
Clouds
0%
1%
0%
100%
51%
11%
90%
100%
100%
Dew point
41°
40°
40°
40°
40°
41°
41°
39°
38°
UV Index
6
5
3
1
0
0
0
0
0
Air quality
56
Moderate
61
Moderate
64
Moderate
63
Moderate
59
Moderate
51
Moderate
45
Good
39
Good
34
Good
Pollen index
Tree
2 / 5
2 / 5
2 / 5
3 / 5
3 / 5
3 / 5
2 / 5
2 / 5
1 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
3 / 5
3 / 5
3 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
0.26 μg/ft3
0.25 μg/ft3
0.24 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
0.27 μg/ft3
0.31 μg/ft3
0.34 μg/ft3
0.37 μg/ft3
PM25
0.16 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.18 μg/ft3
0.20 μg/ft3
0.23 μg/ft3
0.24 μg/ft3
NO2
0.44 ppb
0.5 ppb
0.56 ppb
0.62 ppb
2.86 ppb
5.1 ppb
7.34 ppb
9.11 ppb
10.87 ppb
SO2
0.18 ppb
0.18 ppb
0.19 ppb
0.19 ppb
0.22 ppb
0.25 ppb
0.29 ppb
0.34 ppb
0.4 ppb
CO
0.12 ppb
0.12 ppb
0.13 ppb
0.13 ppb
0.15 ppb
0.18 ppb
0.2 ppb
0.22 ppb
0.24 ppb
O3
58.78 ppb
59 ppb
59.22 ppb
59.43 ppb
52.77 ppb
46.11 ppb
39.44 ppb
35.52 ppb
31.6 ppb