2011 Ozone Season
2011 Ozone Season Air Quality Health Alerts and Exceedances
The following table shows the number of times, indicated in orange, that the San Antonio Metropolitan Area had received a warning and/or exceeded the EPA's Ambient Air Quality Standard for ground-level ozone during the 2011 Ozone Season:
Date |
Warning Level |
High 8-hour reading at a Regulatory Site |
05/16/11 |
No warning | 78 - San Antonio Northwest C23 |
06/06/11 |
No warning | 79 - San Antonio Northwest C23 76 - Camp Bullis C58 |
08/27/11 | Orange | 76 - San Antonio Northwest C23 76 - Camp Bullis C59 |
08/28/11 | Orange | 77 - San Antonio Northwest C23 |
08/29/11 | Orange | 76 - Camp Bullis C59 |
09/07/11 | Orange | 87 - San Antonio Northwest C23 78 - Calaveras Lake C59 |
09/08/11 | Orange | No actual exceedance |
09/09/11 | Orange | No actual exceedance |
09/10/11 | Orange | 84 - San Antonio Northwest C23 |
09/11/11 | Orange | 78 - San Antonio Northwest C23 |
09/12/11 | Orange | No actual exceedance |
10/02/11 | No warning | 78 - San Antonio Northwest C23 |
10/03/11 | No warning | 79 - San Antonio Northwest C23 |