332 W. Commerce
San Antonio, TX 78205
The Air Pollution Program monitors the ambient air in San Antonio. The program Monitors for particulate matter 2.5 microns in size (PM2.5) and particulate matter 10 microns in size (PM10). These small particles could cause respiratory problems for small children, the elderly and the general public. The program also operates and maintains an ozone monitor located at Calaveras Lake for the Texas Commission on Environmental Quality (TCEQ).
New Fishing Advisory for Leon Creek - effective June 29, 2010 (Source: DSHS - PDF)
(from Old U.S. Hwy 90 bridge downstream to Loop 410 bridge - see map)