Latest Ozone Summary (PST)

Latest Ozone Summary for Selected Regions (Preliminary Data in PST)

Data on this page extracted on February 24, 2017 at 04:51:44

Note: The AQMIS Ozone pages reflect the 2008 National 8-Hour Ozone Standard of 0.075 ppm
     
     Region
So Far Today
(02/24/2017)
Yesterday
(02/23/2017)
7 Days ending
(02/23/2017)
This Year-to-Date
through 02/23/2017
 
Max 1hr
(ppm)
Latest hr
(PST)
Max 1hr
(ppm)
Max 8hr
(ppm)
Max 1hr
(ppm)
Max 8hr
(ppm)
Max 1hr
(ppm)
Max 8hr
(ppm)
     Sacramento Metropolitan Area*
0
 
     San Diego Air Basin
0
 
     San Francisco Bay Area Air Basin
0
 
     San Joaquin Valley Air Basin
0
 
     South Coast Air Basin
0
 
     Ventura County (Mainland Only)
0
 
     Antelope Valley and W. Mojave Desert
0
 
     Coachella Valley
0
 
     Eastern Kern County
0
 
     Imperial County
0
 
     Lake County**
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
 
     Mountain Counties - Central
0
 
     Mountain Counties - Southern
0
 
     North Central Coast Air Basin
0
 
     Sacramento Valley - Butte County
0
 
     Sacramento Valley - Sutter Buttes***
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
 
     Sacramento Valley (remaining areas)
0
 
     San Luis Obispo County
0
 
     Santa Barbara County
0
 
     Western Nevada County
N/A
N/A
 
 
  N/A: Data not available  
  To see monitoring site details, click on the numeric value for today, yesterday or 7 days.  
  To see underlying daily data for area, click on the year-to-date numeric value.  
  To see historical trend for area, click on area name.  
  Cell color is red if national 8-hour standard level is exceeded; Nat'l stds truncate 4 digit 8-hr avg to 3 decimals.  
  Cell color is yellow if state 1-hour standard level is exceeded.  
* The Sacramento Metropolitan Area includes Sacramento Metropolitan Air Quality Management District, Yolo-Solano Air Pollution Control District, the southern third of Feather River Air Quality Management District, and all of El Dorado and Placer Counties except for that portion in the Lake Tahoe Air Basin.
** The Lake County Air Quality Management District is a non-real time data stream that will be updated monthly.
*** The Sacramento Valley-Sutter Buttes site is a seasonal monitoring site (May through October only).

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