A few weeks ago, as noted on this page air quality degrades, residents of the San Joaquin Valley were experiencing air pollution levels which were higher than normal and breathing was more difficult. Not much has changed the first three weeks of June. When compared to the same time period over the past three years, lungs were being damaged this year at significantly higher levels. Apparently, school letting out at the end of May has had no effect on air quality, much to the chagrin of the Air Board as they like to blame everyone but the real polluters for our misery.
This chart tells the story in stark detail. The average of all the daily 8-hour ozone readings for the first three weeks of June are compared for the years 2009-2012. Another bad indicator of worsening air pollution is the total number of violations. There have been nearly three times more violations so far this year than the average for the past three years of the antiquated 1997 Ozone standard.