54°F  
  San Francisco, California | 00:15 AM
Air Quality (U.S.)

  Rise:  7:20AM | Set:  5:22PM
10hrs 2mins

  Rise:  9:31AM | Set:  9:40PM
Waxing crescent


Rise: 7:20AM | Set:  5:22PM
10hrs 2mins


Rise:9:31AM | Set:9:40PM
Waxing crescent

Air Quality Observations

Station Name Concentration Category
Woodland 10 ppb Good
Colfax 37 ppb Good
Lassen Volcanic NP 38 ppb Good
Yosemite NP Turtleback Dome 44 ppb Good
Sparks 10 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
20 Jan Particulates smaller than 2.5 microns 57 ppb Moderate
21 Jan Particulates smaller than 2.5 microns 62 ppb Moderate
22 Jan Particulates smaller than 2.5 microns 68 ppb Moderate
23 Jan Particulates smaller than 2.5 microns n/a Moderate
24 Jan Particulates smaller than 2.5 microns n/a Moderate
25 Jan Particulates smaller than 2.5 microns n/a Moderate
26 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
20 Jan Particulates smaller than 2.5 microns 60 ppb Moderate
21 Jan Particulates smaller than 2.5 microns 62 ppb Moderate
22 Jan Particulates smaller than 2.5 microns 68 ppb Moderate
23 Jan Particulates smaller than 2.5 microns n/a Moderate
24 Jan Particulates smaller than 2.5 microns n/a Moderate
25 Jan Particulates smaller than 2.5 microns n/a Moderate
26 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
20 Jan Particulates smaller than 2.5 microns 52 ppb Moderate
21 Jan Particulates smaller than 2.5 microns 56 ppb Moderate
22 Jan Particulates smaller than 2.5 microns 60 ppb Moderate
23 Jan Particulates smaller than 2.5 microns n/a Good
24 Jan Particulates smaller than 2.5 microns n/a Good
25 Jan Particulates smaller than 2.5 microns n/a Moderate
26 Jan Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
20 Jan Particulates smaller than 2.5 microns 54 ppb Moderate
21 Jan Particulates smaller than 2.5 microns 55 ppb Moderate
22 Jan Particulates smaller than 2.5 microns 53 ppb Moderate
23 Jan Particulates smaller than 2.5 microns n/a Good
24 Jan Particulates smaller than 2.5 microns n/a Good
25 Jan Particulates smaller than 2.5 microns n/a Good
26 Jan Particulates smaller than 2.5 microns n/a Good