44°F  
  San Francisco, California | 05:19 AM
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
Sloughhouse 32 ppb Good
Woodland 34 ppb Good
Colfax 30 ppb Good
Lassen Volcanic NP 43 ppb Good
Yosemite NP Turtleback Dome 43 ppb Good
Sparks 26 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
11 Jan Particulates smaller than 2.5 microns 54 ppb Moderate
12 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
13 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
14 Jan Particulates smaller than 2.5 microns n/a 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

Date Pollutant Concentration Category
11 Jan Particulates smaller than 2.5 microns 65 ppb Moderate
12 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
13 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
14 Jan Particulates smaller than 2.5 microns n/a 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

Date Pollutant Concentration Category
11 Jan Particulates smaller than 2.5 microns 27 ppb Good
12 Jan Particulates smaller than 2.5 microns 68 ppb Moderate
13 Jan Particulates smaller than 2.5 microns 71 ppb Moderate
14 Jan Particulates smaller than 2.5 microns n/a 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

Date Pollutant Concentration Category
11 Jan Particulates smaller than 2.5 microns 46 ppb Good
12 Jan Particulates smaller than 2.5 microns 66 ppb Moderate
13 Jan Particulates smaller than 2.5 microns 66 ppb Moderate
14 Jan Particulates smaller than 2.5 microns n/a 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