15°C  
  San Francisco, California | 6:56 PM
Air Quality (U.S.)

  Rise:  7:22AM | Set:  5:17PM
9hrs 55mins

  Rise:  7:38AM | Set:  5:17PM
New moon


Rise: 7:22AM | Set:  5:17PM
9hrs 55mins


Rise:7:38AM | Set:5:17PM
New moon

Air Quality Observations

Station Name Concentration Category
Sloughhouse 23 ppb Good
Woodland 26 ppb Good
Colfax 37 ppb Good
Lassen Volcanic NP 41 ppb Good
Yosemite NP Turtleback Dome 44 ppb Good
Sparks 26 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
17 Jan Particulates smaller than 2.5 microns 67 ppb Moderate
18 Jan Particulates smaller than 2.5 microns 82 ppb Moderate
19 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
20 Jan Particulates smaller than 2.5 microns n/a Moderate
21 Jan Particulates smaller than 2.5 microns n/a Moderate
22 Jan Particulates smaller than 2.5 microns n/a Moderate
23 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
17 Jan Particulates smaller than 2.5 microns 72 ppb Moderate
18 Jan Particulates smaller than 2.5 microns 82 ppb Moderate
19 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
20 Jan Particulates smaller than 2.5 microns n/a Moderate
21 Jan Particulates smaller than 2.5 microns n/a Moderate
22 Jan Particulates smaller than 2.5 microns n/a Moderate
23 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
17 Jan Particulates smaller than 2.5 microns 60 ppb Moderate
18 Jan Particulates smaller than 2.5 microns 79 ppb Moderate
19 Jan Particulates smaller than 2.5 microns 73 ppb Moderate
20 Jan Particulates smaller than 2.5 microns n/a Moderate
21 Jan Particulates smaller than 2.5 microns n/a Moderate
22 Jan Particulates smaller than 2.5 microns n/a Good
23 Jan Particulates smaller than 2.5 microns n/a Good

Date Pollutant Concentration Category
17 Jan Particulates smaller than 2.5 microns 53 ppb Moderate
18 Jan Particulates smaller than 2.5 microns 75 ppb Moderate
19 Jan Particulates smaller than 2.5 microns 60 ppb Moderate
20 Jan Particulates smaller than 2.5 microns n/a Moderate
21 Jan Particulates smaller than 2.5 microns n/a Moderate
22 Jan Particulates smaller than 2.5 microns n/a Good
23 Jan Particulates smaller than 2.5 microns n/a Good