Hourly Weather in San Bruno, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
14 mph
Breezy
14 mph
Breezy
14 mph
Breezy
14 mph
Breezy
14 mph
Breezy
14 mph
Breezy
14 mph
Breezy
13 mph
Breezy
13 mph
Breezy
Humidity
58%
Comfortable
57%
Comfortable
56%
Comfortable
55%
Comfortable
53%
Comfortable
50%
Comfortable
48%
Comfortable
46%
Comfortable
42%
Dry
Visibility
9 mi
Good
8 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
29°
28°
27°
26°
25°
23°
22°
22°
24°
UV Index
0
0
0
0
0
0
0
0
1
Air quality
33
Good
28
Good
24
Good
21
Good
20
Good
20
Good
23
Good
30
Good
36
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
0.26 μg/ft3
0.23 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.19 μg/ft3
0.23 μg/ft3
PM25
0.18 μg/ft3
0.16 μg/ft3
0.14 μg/ft3
0.13 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.15 μg/ft3
NO2
2.09 ppb
2.25 ppb
2.42 ppb
2.45 ppb
2.48 ppb
2.51 ppb
1.84 ppb
1.18 ppb
0.52 ppb
SO2
0.24 ppb
0.2 ppb
0.17 ppb
0.17 ppb
0.16 ppb
0.16 ppb
0.2 ppb
0.23 ppb
0.26 ppb
CO
0.13 ppb
0.13 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
O3
30.37 ppb
25.49 ppb
20.6 ppb
20.87 ppb
21.14 ppb
21.4 ppb
29.12 ppb
36.84 ppb
44.56 ppb