The map below shows the current highest ozone levels in each of the metropolitan areas across Texas where ozone is measured by the TCEQ. More detailed maps showing the current ozone levels measured at each site in a particular metropolitan area are available by clicking on the colored boxes below. These levels are based on data measured at the TCEQ's continuous air monitoring stations and includes data from local governments and private monitoring networks.

The latest image available is for Monday October 5, 2009 15-16:00 CDT. If the image below is older than this, you will need to force your browser to reload this page by clicking on the browser "Reload" or "Refresh" button.

The TCEQ has not verified this data and it may change. This is the most current data, but it is not official until it has been certified by our technical staff.