MRGDASRPT Display

Data on this page extracted on March 29, 2024 at 02:48:26

AQMIS web pages were recently revised. Please report any problems to aqmis@arb.ca.gov
AQMIS2
     
Note: This AQMIS Ozone page reflects the 2008 National 8-Hour Ozone Standard of 0.075 ppm
Sacramento Valley (remaining areas)
Annual  Ozone Summary Data
2007  
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
SV   Colusa  Colusa-Sunrise Blvd  0  0  0.080   0.067   98 
SV   Glenn  Willows-720 N Colusa Street  2  3  0.091   0.078   97 
SV   Shasta  Anderson-North Street  3  17  0.084   0.080   100 
SV   Shasta  Lassen Volcanic Natl Park-Manzanita Lake  4  11  0.084   0.078   100 
SV   Shasta  Redding-Health Dept Roof  0  3  0.089   0.073   100 
SV   Sutter  Yuba City-Almond Street  3  5  0.095   0.081   98 
SV   Tehama  Red Bluff-Oak Street  1  5  0.085   0.076   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)
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.  
Change Selection
 


Air Quality and Meteorological Information (AQMIS2) Home Page
Latest Ozone Air Quality | Latest Week's Ozone | Recent Years' Ozone Air Quality
Air Quality Data | Meteorological Data | Google Map Pages | AQ Map  

preload