Hourly Weather in Lassen County, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
9 mph
Light
4 mph
Calm
8 mph
Light
5 mph
Calm
3 mph
Calm
6 mph
Light
5 mph
Light
2 mph
Calm
Humidity
15%
Extremely dry
18%
Extremely dry
26%
Very dry
32%
Dry
36%
Dry
40%
Dry
43%
Dry
42%
Dry
45%
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
1010 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
26°
31°
35°
40°
40°
40°
39°
38°
38°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
68
Moderate
55
Moderate
49
Good
55
Moderate
57
Moderate
57
Moderate
55
Moderate
52
Moderate
51
Moderate
Pollen index
Tree
1 / 5
1 / 5
2 / 5
2 / 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
1 / 5
1 / 5
2 / 5
3 / 5
2 / 5
2 / 5
2 / 5
2 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.97 μg/ft3
1.33 μg/ft3
1.69 μg/ft3
1.55 μg/ft3
1.35 μg/ft3
1.12 μg/ft3
1.05 μg/ft3
0.96 μg/ft3
0.94 μg/ft3
PM25
0.22 μg/ft3
0.31 μg/ft3
0.42 μg/ft3
0.48 μg/ft3
0.47 μg/ft3
0.42 μg/ft3
0.38 μg/ft3
0.34 μg/ft3
0.33 μg/ft3
NO2
4.66 ppb
4.87 ppb
5.07 ppb
5.28 ppb
6.13 ppb
6.98 ppb
7.83 ppb
7.67 ppb
7.51 ppb
SO2
0.51 ppb
0.58 ppb
0.66 ppb
0.74 ppb
0.68 ppb
0.62 ppb
0.56 ppb
0.54 ppb
0.51 ppb
CO
0.16 ppb
0.17 ppb
0.17 ppb
0.18 ppb
0.18 ppb
0.19 ppb
0.2 ppb
0.19 ppb
0.19 ppb
O3
51.76 ppb
47.9 ppb
44.04 ppb
40.17 ppb
33.55 ppb
26.92 ppb
20.3 ppb
19.45 ppb
18.61 ppb