The Texas Commission on Environmental Quality has issued an Ozone Watch for the Houston, Galveston and Brazoria areas for the remainder of the day.
Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution, and excessive ozone levels may linger until after sunset.
The elevated concentrations of ozone can act as a lung irritant. Individuals with chronic lung disease, including asthma and emphysema, as well as the elderly and small children are particularly sensitive to ozone and should attempt to avoid exposure.
To avoid exposure, minimize exertion outdoors during the mid-day to early evening hours or stay indoors in an air conditioned area during this time.
Ozone reaching excessive levels at any site in the area may move to or from other sites within the area depending on wind direction and other factors.
Ozone warnings will be issued if air pollution levels are detected at unhealthy levels.