MRGDASRPT Display

Data on this page extracted on March 29, 2024 at 02:45:21

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AQMIS2
     
Note: This AQMIS Ozone page reflects the 2008 National 8-Hour Ozone Standard of 0.075 ppm
South Coast Air Basin
Annual  Ozone Summary Data
2010  
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
SC   Los Angeles  Azusa  3  8  0.104   0.081   96 
SC   Los Angeles  Burbank-W Palm Avenue  4  8  0.111   0.084   95 
SC   Los Angeles  Compton-700 North Bullis Road  0  0  0.081   0.062   88 
SC   Los Angeles  Glendora-Laurel  20  41  0.124   0.099   99 
SC   Los Angeles  Long Beach-2425 Webster Street   1  1  0.099   0.084   100 
SC   Los Angeles  Los Angeles-North Main Street  1  1  0.098   0.080   97 
SC   Los Angeles  Los Angeles-Westchester Parkway  0  0  0.089   0.070   95 
SC   Los Angeles  North Long Beach  1  1  0.101   0.084   98 
SC   Los Angeles  Pasadena-S Wilson Avenue  3  5  0.101   0.081   99 
SC   Los Angeles  Pico Rivera-4144 San Gabriel  1  1  0.112   0.086   98 
SC   Los Angeles  Pomona  4  10  0.115   0.082   85 
SC   Los Angeles  Reseda  19  35  0.122   0.091   98 
SC   Los Angeles  Santa Clarita  23  40  0.126   0.105   91 
SC   Los Angeles  West Los Angeles-VA Hospital  1  3  0.099   0.078   99 
SC   Orange  Anaheim-Pampas Lane  1  1  0.104   0.088   83 
SC   Orange  Costa Mesa-Mesa Verde Drive  1  2  0.097   0.076   98 
SC   Orange  La Habra  1  4  0.118   0.096   97 
SC   Orange  Mission Viejo-26081 Via Pera  2  2  0.117   0.082   97 
SC   Riverside  Banning Airport  60  75  0.124   0.107   98 
SC   Riverside  Lake Elsinore-W Flint Street  24  40  0.107   0.091   97 
SC   Riverside  Mira Loma-10551 Bellegrave  34  48  0.119   0.089   91 
SC   Riverside  Mira Loma Van Buren  38  56  0.121   0.094   98 
SC   Riverside  Perris  50  76  0.122   0.107   100 
SC   Riverside  Riverside-Rubidoux  47  74  0.128   0.098   93 
SC   San Bernardino  Crestline  74  97  0.142   0.123   100 
SC   San Bernardino  Fontana-Arrow Highway  33  49  0.143   0.100   93 
SC   San Bernardino  Redlands-Dearborn  61  82  0.128   0.111   100 
SC   San Bernardino  San Bernardino-4th Street  40  58  0.129   0.104   98 
SC   San Bernardino  San Gorgonio Wilderness  68  91  0.133   0.107   98 
SC   San Bernardino  Upland  39  52  0.131   0.097   96 
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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