Hourly Weather in Foothill Ranch, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Calm
5 mph
Light
5 mph
Calm
5 mph
Calm
1 mph
Calm
2 mph
Calm
1 mph
Calm
0 mph
Calm
1 mph
Calm
Humidity
90%
Extremely humid
90%
Extremely humid
90%
Extremely humid
90%
Extremely humid
48%
Comfortable
45%
Comfortable
47%
Comfortable
48%
Comfortable
44%
Dry
Visibility
0 mi
Low
0 mi
Low
0 mi
Low
0 mi
Low
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
1021 hPa
High
1021 hPa
High
1022 hPa
High
Clouds
100%
100%
100%
100%
0%
3%
7%
9%
9%
Dew point
48°
47°
47°
47°
35°
32°
32°
32°
33°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
145
Unhealthy for sensitive groups
140
Unhealthy for sensitive groups
132
Unhealthy for sensitive groups
123
Unhealthy for sensitive groups
115
Unhealthy for sensitive groups
108
Unhealthy for sensitive groups
106
Unhealthy for sensitive groups
110
Unhealthy for sensitive groups
121
Unhealthy for sensitive groups
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
1.43 μg/ft3
1.37 μg/ft3
1.28 μg/ft3
1.18 μg/ft3
1.08 μg/ft3
1.02 μg/ft3
0.99 μg/ft3
1.03 μg/ft3
1.14 μg/ft3
PM25
4.12 μg/ft3
3.96 μg/ft3
3.74 μg/ft3
3.49 μg/ft3
3.25 μg/ft3
3.07 μg/ft3
3.01 μg/ft3
3.11 μg/ft3
3.41 μg/ft3
NO2
32.3 ppb
32.4 ppb
31.7 ppb
31.1 ppb
30.4 ppb
29.5 ppb
28.6 ppb
27.7 ppb
31.6 ppb
SO2
6 ppb
5.8 ppb
5.2 ppb
4.6 ppb
4.1 ppb
4.1 ppb
4 ppb
4 ppb
5.1 ppb
CO
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
O3
0.1 ppb
0.1 ppb
N/A
N/A
N/A
N/A
N/A
0.1 ppb
1.1 ppb