61°F  
  San Francisco, California | 6:08 PM
Air Quality (U.S.)

  Rise:  6:47AM | Set:  4:59PM
10hrs 12mins

  Rise:  12:33AM | Set:  1:53PM
Last Quarter


Rise: 6:47AM | Set:  4:59PM
10hrs 12mins


Rise:12:33AM | Set:1:53PM
Last Quarter

Air Quality Observations

Station Name Concentration Category
Colfax 34 ppb Good
Sparks 34 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
12 Nov Particulates smaller than 2.5 microns 31 ppb Good
13 Nov Particulates smaller than 2.5 microns 44 ppb Good
14 Nov Particulates smaller than 2.5 microns n/a Good
15 Nov Particulates smaller than 2.5 microns n/a Good
16 Nov Particulates smaller than 2.5 microns n/a Good
17 Nov Particulates smaller than 2.5 microns n/a Moderate
18 Nov Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Nov Particulates smaller than 2.5 microns 48 ppb Good
13 Nov Particulates smaller than 2.5 microns 44 ppb Good
14 Nov Particulates smaller than 2.5 microns n/a Good
15 Nov Particulates smaller than 2.5 microns n/a Good
16 Nov Particulates smaller than 2.5 microns n/a Good
17 Nov Particulates smaller than 2.5 microns n/a Moderate
18 Nov Particulates smaller than 2.5 microns n/a Moderate

Date Pollutant Concentration Category
12 Nov Particulates smaller than 2.5 microns 34 ppb Good
13 Nov Particulates smaller than 2.5 microns 16 ppb Good
14 Nov Ozone n/a Good
15 Nov Particulates smaller than 2.5 microns n/a Good
16 Nov Particulates smaller than 2.5 microns n/a Good
17 Nov Particulates smaller than 2.5 microns n/a Good
18 Nov Particulates smaller than 2.5 microns n/a Good

Date Pollutant Concentration Category
12 Nov Ozone 28 ppb Good
13 Nov Particulates smaller than 2.5 microns 3 ppb Good
14 Nov Ozone n/a Good
15 Nov Particulates smaller than 2.5 microns n/a Good
16 Nov Particulates smaller than 2.5 microns n/a Good
17 Nov Particulates smaller than 2.5 microns n/a Good
18 Nov Particulates smaller than 2.5 microns n/a Good