Hourly Weather in Alameda, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 mph
Light
8 mph
Light
9 mph
Light
7 mph
Light
6 mph
Light
6 mph
Light
3 mph
Calm
4 mph
Calm
2 mph
Calm
Humidity
86%
Extremely humid
86%
Extremely humid
87%
Extremely humid
82%
Extremely humid
73%
Extremely humid
73%
Extremely humid
73%
Extremely humid
74%
Extremely humid
90%
Extremely humid
Visibility
0 mi
Low
1 mi
Low
1 mi
Low
9 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
8 mi
Good
6 mi
Good
Pressure
1022 hPa
High
1022 hPa
High
1022 hPa
High
1023 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
Clouds
100%
100%
100%
98%
100%
90%
90%
52%
40%
Dew point
29°
29°
30°
31°
30°
29°
30°
29°
31°
UV Index
0
0
0
0
1
0
0
0
0
Air quality
39
Good
39
Good
39
Good
39
Good
39
Good
39
Good
39
Good
39
Good
39
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
0.04 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
0.07 μg/ft3
0.10 μg/ft3
0.13 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
PM25
0.04 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.04 μg/ft3
0.06 μg/ft3
0.09 μg/ft3
0.12 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
NO2
0.78 ppb
0.66 ppb
0.55 ppb
0.54 ppb
0.53 ppb
0.52 ppb
0.67 ppb
0.82 ppb
0.97 ppb
SO2
0.14 ppb
0.15 ppb
0.16 ppb
0.18 ppb
0.21 ppb
0.24 ppb
0.23 ppb
0.22 ppb
0.21 ppb
CO
0.13 ppb
0.13 ppb
0.13 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.15 ppb
0.15 ppb
O3
42.5 ppb
42.6 ppb
42.7 ppb
42.5 ppb
42.4 ppb
42.2 ppb
41.4 ppb
40.6 ppb
39.8 ppb