56°F  
  San Francisco, California | 5:54 PM
Air Quality (U.S.)

  Rise:  7:24AM | Set:  5:12PM
9hrs 48mins

  Rise:  3:19AM | Set:  12:53PM
Waning crescent


Rise: 7:24AM | Set:  5:12PM
9hrs 48mins


Rise:3:19AM | Set:12:53PM
Waning crescent

Air Quality Observations

Station Name Concentration Category
Woodland 34 ppb Good
Lassen Volcanic NP 40 ppb Good
Yosemite NP Turtleback Dome 42 ppb Good
Sparks 26 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
12 Jan Particulates smaller than 2.5 microns 56 ppb Moderate
13 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
14 Jan Particulates smaller than 2.5 microns 77 ppb Moderate
15 Jan Particulates smaller than 2.5 microns n/a Moderate
16 Jan Particulates smaller than 2.5 microns n/a Moderate
17 Jan Particulates smaller than 2.5 microns n/a Moderate
18 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Jan Particulates smaller than 2.5 microns 59 ppb Moderate
13 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
14 Jan Particulates smaller than 2.5 microns 77 ppb Moderate
15 Jan Particulates smaller than 2.5 microns n/a Moderate
16 Jan Particulates smaller than 2.5 microns n/a Moderate
17 Jan Particulates smaller than 2.5 microns n/a Moderate
18 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Jan Particulates smaller than 2.5 microns 48 ppb Good
13 Jan Particulates smaller than 2.5 microns 71 ppb Moderate
14 Jan Particulates smaller than 2.5 microns 71 ppb Moderate
15 Jan Particulates smaller than 2.5 microns n/a Moderate
16 Jan Particulates smaller than 2.5 microns n/a Moderate
17 Jan Particulates smaller than 2.5 microns n/a Moderate
18 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Jan Particulates smaller than 2.5 microns 52 ppb Moderate
13 Jan Particulates smaller than 2.5 microns 66 ppb Moderate
14 Jan Particulates smaller than 2.5 microns 68 ppb Moderate
15 Jan Particulates smaller than 2.5 microns n/a Moderate
16 Jan Particulates smaller than 2.5 microns n/a Moderate
17 Jan Particulates smaller than 2.5 microns n/a Moderate
18 Jan Particulates smaller than 2.5 microns n/a Moderate