MRGDSITEMYR Display

Data on this page extracted on March 28, 2024 at 02:40:16

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AQMIS2
     
Multiyear Ozone
for Modesto-14th Street ending in 2017
Parts Per Million ( ppm )
Year Exceedance Days Maximum Concentration Ozone
National 8-hr Std Parts Per Million (ppm) Season
0.075 ppm 0.070 ppm 1-hr 8-hr Coverage
2017*
 
10 21  0.111   0.098  99 
2016*
 
11 21  0.105   0.091  96 
2015*
 
16 23  0.111   0.093  96 
2014*
 
12 24  0.103   0.090  99 
2013
 
2 13  0.088   0.082  96 
2012
 
6 12  0.104   0.091  96 
2011
 
3 7  0.091   0.078  98 
2010
 
3 9  0.105   0.080  98 
2009
 
7 14  0.112   0.098  100 
 
 
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)
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  Nat'l stds truncate 4 digit 8-Hr avgs to 3 decimals; State stds round to 3 decimals.  
  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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