Hourly Weather in Thornton, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
10 mph
Breezy
8 mph
Light
4 mph
Calm
5 mph
Calm
3 mph
Calm
3 mph
Calm
3 mph
Calm
4 mph
Calm
Humidity
11%
Extremely dry
11%
Extremely dry
12%
Extremely dry
16%
Extremely dry
19%
Extremely dry
29%
Very dry
28%
Very dry
31%
Dry
31%
Dry
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
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1009 hPa
Low
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
29°
29°
31°
33°
35°
41°
39°
40°
38°
UV Index
2
0
0
0
0
0
0
0
0
Air quality
81
Moderate
80
Moderate
75
Moderate
65
Moderate
56
Moderate
49
Good
47
Good
46
Good
46
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.25 μg/ft3
0.27 μg/ft3
0.29 μg/ft3
0.28 μg/ft3
0.30 μg/ft3
0.31 μg/ft3
0.30 μg/ft3
0.32 μg/ft3
0.33 μg/ft3
PM25
0.13 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
NO2
0.5 ppb
1.53 ppb
2.56 ppb
3.6 ppb
4.15 ppb
4.7 ppb
5.25 ppb
4.73 ppb
4.2 ppb
SO2
0.2 ppb
0.21 ppb
0.23 ppb
0.24 ppb
0.26 ppb
0.29 ppb
0.32 ppb
0.33 ppb
0.35 ppb
CO
0.12 ppb
0.13 ppb
0.14 ppb
0.15 ppb
0.15 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.15 ppb
O3
65.02 ppb
60.34 ppb
55.66 ppb
50.98 ppb
49.63 ppb
48.27 ppb
46.91 ppb
48.47 ppb
50.04 ppb