2015 Ozone Season
2015 Ozone Action Day Alerts and Daily Exceedances of Ozone Standard
The following table shows the number of times, indicated in orange, that the San Antonio-New Braunfels MSA received an Ozone Action Day warning and/or exceeded the EPA's 2008 Ambient Air Quality Standard for ground-level ozone during the 2015 Ozone Season, set at 75 parts per billion (ppb):|
Date |
Alert Level* |
High 8-hour reading at a Regulatory Site |
|
05/01/15 |
No Alert Issued |
78 ppb - Camp Bullis |
| 05/02/15 | No Alert Issued | 77 ppb - San Antonio Northwest |
| 08/02/15 | Orange | Orange level was not reached |
| 08/03/15 | No Alert Issued | 76 ppb - San Antonio Northwest 80 ppb - Camp Bullis |
| 08/13/15 | No Alert Issued | 79 ppb- San Antonio Northwest |
| 08/15/15 | No Alert Issued | 78 ppb - San Antonio Northwest |
| 08/27/15 | Orange | 83 ppb- San Antonio Northwest 87 ppb - Camp Bullis |
| 08/28/15 | No Alert Issued | 87 - San Antonio Northwest 88 - Camp Bullis |
| 08/29/15 | No Alert Issued | 85 - San Antonio Northwest 88 - Camp Bullis |
* Ozone Action Day alert are issued when it is predicted that the region's ozone will reach the orange level or higher on the Air Quality Index. At the orange level, our air is unhealthy for sensitive groups, including children, people who are active for prolonged periods outdoors, and those with respiratory illnesses. At the next highest level, red, prolonged outdoor exposure is considered unhealthy for everyone.