47°F  
  San Francisco, California | 09:39 AM
Air Quality (U.S.)

  Rise:  7:17AM | Set:  4:51PM
9hrs 34mins

  Rise:  2:26AM | Set:  1:25PM
Waning crescent


Rise: 7:17AM | Set:  4:51PM
9hrs 34mins


Rise:2:26AM | Set:1:25PM
Waning crescent

Air Quality Observations

Station Name Concentration Category
Sloughhouse 7 ppb Good
Colfax 34 ppb Good
Lassen Volcanic NP 38 ppb Good
Yosemite NP Turtleback Dome 39 ppb Good
Sparks 19 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
12 Dec Particulates smaller than 2.5 microns 54 ppb Moderate
13 Dec Particulates smaller than 2.5 microns 71 ppb Moderate
14 Dec Particulates smaller than 2.5 microns 73 ppb Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate
17 Dec Particulates smaller than 2.5 microns n/a Moderate
18 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Dec Particulates smaller than 2.5 microns 63 ppb Moderate
13 Dec Particulates smaller than 2.5 microns 71 ppb Moderate
14 Dec Particulates smaller than 2.5 microns 73 ppb Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate
17 Dec Particulates smaller than 2.5 microns n/a Moderate
18 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Dec Particulates smaller than 2.5 microns 47 ppb Good
13 Dec Particulates smaller than 2.5 microns 69 ppb Moderate
14 Dec Particulates smaller than 2.5 microns 69 ppb Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate
17 Dec Particulates smaller than 2.5 microns n/a Moderate
18 Dec Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Dec Particulates smaller than 2.5 microns 48 ppb Good
13 Dec Particulates smaller than 2.5 microns 62 ppb Moderate
14 Dec Particulates smaller than 2.5 microns 62 ppb Moderate
15 Dec Particulates smaller than 2.5 microns n/a Moderate
16 Dec Particulates smaller than 2.5 microns n/a Moderate
17 Dec Particulates smaller than 2.5 microns n/a Moderate
18 Dec Particulates smaller than 2.5 microns n/a Moderate