Hourly Weather in Ketchikan, Alaska, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
0 mph
Calm
1 mph
Calm
1 mph
Calm
1 mph
Calm
1 mph
Calm
0 mph
Calm
1 mph
Calm
1 mph
Calm
3 mph
Calm
Humidity
99%
Extremely humid
95%
Extremely humid
92%
Extremely humid
89%
Extremely humid
93%
Extremely humid
87%
Extremely humid
86%
Extremely humid
79%
Extremely humid
67%
Humid
Visibility
5 mi
Fair
5 mi
Fair
8 mi
Good
6 mi
Fair
4 mi
Fair
4 mi
Fair
5 mi
Fair
7 mi
Good
10 mi
Good
Pressure
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
Clouds
100%
100%
100%
100%
100%
100%
98%
88%
94%
Dew point
47°
47°
47°
46°
47°
48°
47°
47°
45°
UV Index
1
1
2
2
2
2
2
1
1
Air quality
31
Good
47
Good
49
Good
45
Good
38
Good
29
Good
27
Good
26
Good
26
Good
Pollen index
Tree
3 / 5
4 / 5
4 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
4 / 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
0.17 μg/ft3
0.25 μg/ft3
0.26 μg/ft3
0.24 μg/ft3
0.20 μg/ft3
0.15 μg/ft3
0.11 μg/ft3
0.09 μg/ft3
0.07 μg/ft3
PM25
0.16 μg/ft3
0.24 μg/ft3
0.25 μg/ft3
0.23 μg/ft3
0.19 μg/ft3
0.15 μg/ft3
0.11 μg/ft3
0.08 μg/ft3
0.07 μg/ft3
NO2
0.9 ppb
0.6 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
24.6 ppb
25.8 ppb
28.2 ppb
29.2 ppb
29.4 ppb
29.2 ppb
28.7 ppb
28.2 ppb
27.5 ppb