Daily Weather in Alcatraz, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
30 km/h
Breezy
28 km/h
Breezy
20 km/h
Breezy
21 km/h
Breezy
17 km/h
Breezy
15 km/h
Light
16 km/h
Light
21 km/h
Breezy
15 km/h
Light
Humidity
91%
Extremely humid
94%
Extremely humid
93%
Extremely humid
92%
Extremely humid
89%
Extremely humid
90%
Extremely humid
91%
Extremely humid
92%
Extremely humid
92%
Extremely humid
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
1018 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1011 hPa
Normal
1009 hPa
Low
1011 hPa
Normal
Clouds
86%
52%
29%
3%
0%
9%
9%
8%
29%
Dew point
15°
14°
14°
12°
12°
12°
11°
11°
11°
UV Index
9
8
9
9
10
Air quality
50
Moderate
48
Good
52
Moderate
56
Moderate
57
Moderate
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
36.7 μg/m3
12.9 μg/m3
15.2 μg/m3
17.7 μg/m3
17.8 μg/m3
PM25
8.9 μg/m3
8.5 μg/m3
9.8 μg/m3
11.6 μg/m3
12 μg/m3
NO2
4.8 ppb
4.7 ppb
5.7 ppb
7 ppb
5.9 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
26 ppb
23.8 ppb
21.3 ppb
28 ppb
23.8 ppb