52°F  
  San Francisco, California | 1:30 PM
Air Quality (U.S.)

  Rise:  7:15AM | Set:  4:51PM
9hrs 36mins

  Rise:  12:27AM | Set:  12:40PM
Last Quarter


Rise: 7:15AM | Set:  4:51PM
9hrs 36mins


Rise:12:27AM | Set:12:40PM
Last Quarter

Air Quality Observations

Station Name Concentration Category
Sloughhouse 11 ppb Good
Woodland 12 ppb Good
Colfax 35 ppb Good
Lassen Volcanic NP 45 ppb Good
Yosemite NP Turtleback Dome 50 ppb Good
Sparks 25 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
10 Dec Particulates smaller than 2.5 microns 64 ppb Moderate
11 Dec Particulates smaller than 2.5 microns 75 ppb Moderate
12 Dec Particulates smaller than 2.5 microns 77 ppb Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
10 Dec Particulates smaller than 2.5 microns 67 ppb Moderate
11 Dec Particulates smaller than 2.5 microns 75 ppb Moderate
12 Dec Particulates smaller than 2.5 microns 77 ppb Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
10 Dec Particulates smaller than 2.5 microns 59 ppb Moderate
11 Dec Particulates smaller than 2.5 microns 71 ppb Moderate
12 Dec Particulates smaller than 2.5 microns 75 ppb Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
10 Dec Particulates smaller than 2.5 microns 59 ppb Moderate
11 Dec Particulates smaller than 2.5 microns 69 ppb Moderate
12 Dec Particulates smaller than 2.5 microns 71 ppb Moderate
13 Dec Particulates smaller than 2.5 microns n/a Moderate
14 Dec Particulates smaller than 2.5 microns n/a Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate