48°F  
  San Francisco, California | 01:08 AM
Air Quality (U.S.)

  Rise:  7:14AM | Set:  4:50PM
9hrs 36mins

  Rise:  11:26PM | Set:  11:55AM
Waning gibbous


Rise: 7:14AM | Set:  4:50PM
9hrs 36mins


Rise:11:26PM | Set:11:55AM
Waning gibbous

Air Quality Observations

Station Name Concentration Category
Sloughhouse 13 ppb Good
Colfax 29 ppb Good
Lassen Volcanic NP 35 ppb Good
Yosemite NP Turtleback Dome 48 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
08 Dec Particulates smaller than 2.5 microns 57 ppb Moderate
09 Dec Particulates smaller than 2.5 microns 73 ppb Moderate
10 Dec Particulates smaller than 2.5 microns 71 ppb Moderate
11 Dec Particulates smaller than 2.5 microns n/a Moderate
12 Dec Particulates smaller than 2.5 microns n/a Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
08 Dec Particulates smaller than 2.5 microns 62 ppb Moderate
09 Dec Particulates smaller than 2.5 microns 73 ppb Moderate
10 Dec Particulates smaller than 2.5 microns 71 ppb Moderate
11 Dec Particulates smaller than 2.5 microns n/a Moderate
12 Dec Particulates smaller than 2.5 microns n/a Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
08 Dec Particulates smaller than 2.5 microns 31 ppb Good
09 Dec Particulates smaller than 2.5 microns 69 ppb Moderate
10 Dec Particulates smaller than 2.5 microns 73 ppb Moderate
11 Dec Particulates smaller than 2.5 microns n/a Moderate
12 Dec Particulates smaller than 2.5 microns n/a Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
08 Dec Ozone 10 ppb Good
09 Dec Particulates smaller than 2.5 microns 66 ppb Moderate
10 Dec Particulates smaller than 2.5 microns 68 ppb Moderate
11 Dec Particulates smaller than 2.5 microns n/a Moderate
12 Dec Particulates smaller than 2.5 microns n/a Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate