MRGDASRPT Display

Data on this page extracted on March 29, 2024 at 04:13:21

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AQMIS2
     
Note: This AQMIS Ozone page reflects the 2008 National 8-Hour Ozone Standard of 0.075 ppm
San Diego Air Basin
Annual  Ozone Summary Data
2011  
Parts Per Million ( ppm )
Basin County Monitoring Site Exceedance Days Maximum Concentration Ozone
National 8-hr Std Parts Per Million ( ppm ) Season
0.075 ppm 0.070 ppm 1-hr 8-hr Covered
SD   San Diego  Alpine-Victoria Drive  10  29  0.114   0.093   97 
SD   San Diego  Camp Pendleton  0  1  0.085   0.071   92 
SD   San Diego  Chula Vista  0  0  0.083   0.057   85 
SD   San Diego  Del Mar-Mira Costa College  0  1  0.091   0.074   99 
SD   San Diego  El Cajon-Redwood Avenue  1  1  0.105   0.086   93 
SD   San Diego  Escondido-E Valley Parkway  2  2  0.098   0.089   99 
SD   San Diego  Otay Mesa-Paseo International  1  1  0.095   0.076   95 
SD   San Diego  San Diego-1110 Beardsley Street  0  0  0.082   0.061   95 
SD   San Diego  San Diego-Kearny Villa Road  1  2  0.093   0.083   97 
SD   San Diego  San Diego-Overland Avenue  1  3  0.097   0.086   97 
Standards:
State 1-hr: 0.090 ppm
State 8-hr: 0.070 ppm
National 1-hr: 0.12 ppm
2008 National 8-hr: 0.075 ppm
2015 National 8-hr: 0.070 ppm

Other Standards (pdf)
Get Additional Information on Sites
 

  Nat'l stds truncate 4 digit 8-Hr avgs to 3 decimals; State stds round to 3 decimals.  
  Cell color is red if national 8-hour standard level is exceeded.  
  Click on site name to see multiyear data for the site.  
  Season Covered (%) is based only on official data.  
  The 8-hour maximum value is based on the 2015 (0.070) ppm Nat'l std method.  
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