MRGDASRPT Display

Data on this page extracted on April 18, 2024 at 03:31:51

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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
2015  
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  17  27  0.122   0.096   86 
SC   Los Angeles  Compton-700 North Bullis Road  0  1  0.091   0.072   89 
SC   Los Angeles  Glendora-Laurel  34  48  0.127   0.102   94 
SC   Los Angeles  Long Beach-2425 Webster Street   0  0  0.087   0.066   89 
SC   Los Angeles  Los Angeles-North Main Street  0  6  0.104   0.074   98 
SC   Los Angeles  Los Angeles-Westchester Parkway  1  3  0.096   0.077   95 
SC   Los Angeles  Pasadena-S Wilson Avenue  7  18  0.111   0.084   96 
SC   Los Angeles  Pico Rivera-4144 San Gabriel  2  11  0.107   0.081   86 
SC   Los Angeles  Pomona  36  53  0.136   0.098   89 
SC   Los Angeles  Reseda  15  32  0.119   0.094   97 
SC   Los Angeles  Santa Clarita  37  52  0.126   0.108   94 
SC   Los Angeles  West Los Angeles-VA Hospital  0  2  0.102   0.072   98 
SC   Orange  Anaheim-Pampas Lane  1  1  0.100   0.080   96 
SC   Orange  Costa Mesa-Mesa Verde Drive  1  2  0.099   0.079   93 
SC   Orange  La Habra  2  7  0.103   0.082   97 
SC   Orange  Mission Viejo-26081 Via Pera  3  8  0.099   0.088   95 
SC   Riverside  Banning Airport  25  46  0.124   0.097   99 
SC   Riverside  Lake Elsinore-W Flint Street  19  31  0.131   0.098   97 
SC   Riverside  Mira Loma Van Buren  36  51  0.127   0.104   93 
SC   Riverside  Perris  31  49  0.124   0.102   100 
SC   Riverside  Riverside-Rubidoux  39  55  0.132   0.105   95 
SC   Riverside  Winchester-33700 Borel Road   6  20  0.100   0.087   99 
SC   San Bernardino  Crestline  61  86  0.144   0.127   98 
SC   San Bernardino  Fontana-Arrow Highway  39  57  0.133   0.111   89 
SC   San Bernardino  Redlands-Dearborn  54  76  0.137   0.115   100 
SC   San Bernardino  San Bernardino-4th Street  57  78  0.134   0.117   93 
SC   San Bernardino  Upland  53  66  0.136   0.106   94 
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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