Hourly Weather in Calpine, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 km/h
Calm
12 km/h
Light
18 km/h
Breezy
19 km/h
Breezy
21 km/h
Breezy
20 km/h
Breezy
18 km/h
Breezy
18 km/h
Breezy
17 km/h
Breezy
Humidity
12%
Extremely dry
11%
Extremely dry
12%
Extremely dry
12%
Extremely dry
13%
Extremely dry
14%
Extremely dry
14%
Extremely dry
14%
Extremely dry
15%
Extremely dry
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1009 hPa
Normal
1010 hPa
Normal
1009 hPa
Low
1009 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
Clouds
0%
10%
17%
12%
5%
3%
1%
0%
0%
Dew point
-4°
-3°
-2°
-1°
-1°
-1°
0°
-1°
-1°
UV Index
9
11
11
11
9
6
3
1
0
Air quality
42
Good
40
Good
39
Good
38
Good
37
Good
39
Good
41
Good
53
Moderate
53
Moderate
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
2 / 5
3 / 5
3 / 5
3 / 5
4 / 5
3 / 5
3 / 5
3 / 5
3 / 5
Pollutants
Low risk
High risk
PM10
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
2.4 μg/m3
2.7 μg/m3
PM25
7.4 μg/m3
7.2 μg/m3
7 μg/m3
6.8 μg/m3
6.5 μg/m3
6.2 μg/m3
6 μg/m3
2.3 μg/m3
2.5 μg/m3
NO2
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.6 ppb
0.9 ppb
SO2
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
33 ppb
34.3 ppb
36.1 ppb
38.2 ppb
40.3 ppb
42.3 ppb
44.1 ppb
58.1 ppb
57.4 ppb