Hourly Weather in Foothill Ranch, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
3 mph
Calm
5 mph
Calm
6 mph
Light
7 mph
Light
7 mph
Light
8 mph
Light
9 mph
Light
9 mph
Light
Humidity
88%
Extremely humid
84%
Extremely humid
78%
Extremely humid
77%
Extremely humid
72%
Extremely humid
71%
Extremely humid
64%
Humid
66%
Humid
63%
Humid
Visibility
10 mi
Good
10 mi
Good
5 mi
Fair
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
6 mi
Fair
Pressure
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
Clouds
100%
100%
100%
100%
100%
99%
100%
100%
100%
Dew point
47°
45°
43°
41°
39°
40°
37°
38°
39°
UV Index
0
0
0
0
0
0
0
1
1
Air quality
119
Unhealthy for sensitive groups
119
Unhealthy for sensitive groups
123
Unhealthy for sensitive groups
126
Unhealthy for sensitive groups
125
Unhealthy for sensitive groups
123
Unhealthy for sensitive groups
121
Unhealthy for sensitive groups
118
Unhealthy for sensitive groups
100
Unhealthy for sensitive groups
Pollen index
Tree
0 / 5
0 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
1.26 μg/ft3
1.27 μg/ft3
1.31 μg/ft3
1.33 μg/ft3
1.33 μg/ft3
1.30 μg/ft3
1.29 μg/ft3
1.26 μg/ft3
1.11 μg/ft3
PM25
1.21 μg/ft3
1.21 μg/ft3
1.26 μg/ft3
1.29 μg/ft3
1.27 μg/ft3
1.25 μg/ft3
1.24 μg/ft3
1.19 μg/ft3
0.99 μg/ft3
NO2
58 ppb
58.1 ppb
58.1 ppb
58.2 ppb
55.3 ppb
52.5 ppb
49.6 ppb
38.4 ppb
27.2 ppb
SO2
8.5 ppb
8.4 ppb
8.4 ppb
8.3 ppb
7.7 ppb
7.2 ppb
6.6 ppb
5.6 ppb
4.6 ppb
CO
0.4 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
O3
1 ppb
0.7 ppb
0.4 ppb
0.2 ppb
0.9 ppb
1.9 ppb
3.2 ppb
10.3 ppb
20.4 ppb