Hourly Weather in Belmont, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
10 mph
Breezy
10 mph
Breezy
11 mph
Breezy
11 mph
Breezy
12 mph
Breezy
13 mph
Breezy
14 mph
Breezy
14 mph
Breezy
Humidity
63%
Humid
61%
Humid
60%
Humid
58%
Comfortable
56%
Comfortable
54%
Comfortable
53%
Comfortable
52%
Comfortable
55%
Comfortable
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
1014 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
0%
1%
2%
1%
1%
1%
0%
0%
0%
Dew point
44°
44°
46°
46°
46°
45°
45°
44°
44°
UV Index
3
5
7
9
8
7
6
4
2
Air quality
54
Moderate
56
Moderate
63
Moderate
71
Moderate
74
Moderate
76
Moderate
77
Moderate
80
Moderate
82
Moderate
Pollen index
Tree
1 / 5
4 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 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
0.90 μg/ft3
0.81 μg/ft3
0.72 μg/ft3
0.66 μg/ft3
0.60 μg/ft3
0.58 μg/ft3
0.53 μg/ft3
0.47 μg/ft3
0.44 μg/ft3
PM25
0.46 μg/ft3
0.45 μg/ft3
0.43 μg/ft3
0.41 μg/ft3
0.39 μg/ft3
0.39 μg/ft3
0.37 μg/ft3
0.32 μg/ft3
0.30 μg/ft3
NO2
0.65 ppb
0.52 ppb
0.4 ppb
0.36 ppb
0.33 ppb
0.3 ppb
0.31 ppb
0.31 ppb
0.32 ppb
SO2
0.57 ppb
0.6 ppb
0.63 ppb
0.61 ppb
0.58 ppb
0.55 ppb
0.5 ppb
0.46 ppb
0.41 ppb
CO
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.14 ppb
O3
54.81 ppb
58.29 ppb
61.76 ppb
62.98 ppb
64.2 ppb
65.42 ppb
65.37 ppb
65.33 ppb
65.28 ppb