Ozone Data - Texas Commission on Environmental Quality

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Ozone Data

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	Animated Ozone Concentrations Latest animations of the ozone concentrations in Texas metro areas. Constructed from data measured at the TCEQ's continuous air monitoring stations, and data from local governments and private monitoring networks.

	Current Texas Ozone Levels Map showing latest ozone levels in metropolitan areas across Texas.

	Daily Maximum Eight-Hour Ozone Averages Maximum eight-hour ozone averages measured daily from yesterday back to 1997.

	Eight-Hour Ozone High Value Days Averages that meet or exceed 85 parts per billion ozone. Data available from one hour ago back to 1997.

	Four Highest Eight-Hour Ozone Concentrations Calculated from TCEQ monitoring site data available from today back to 1997.

	High One-Hour Ozone Values Measurements of high one-hour ozone concentrations.

	High Ozone Summary Table that summarizes high one-hour averages greater than 125 ppb and eight-hour ozone averages greater than 76 ppb in Texas metropolitan areas.

	Hourly Air Pollution Data by Day, Month, or Year Search for air quality data collected on a specific day, during a particular month, or a definite year and at a specific TCEQ air monitoring site.

	Ozone E-Mail Alerts Sign up for Ozone e-mail notification alerts and forecasts for Austin, Beaumont-Port Arthur, Corpus Christi, Dallas-Fort Worth, El Paso-Juarez, Houston-Galveston-Brazoria, San Antonio, Tyler-Longview-Marshall, and Victoria.

	Ozone Forecast Program Information on which Texas metropolitan areas participate, ozone season dates, how forecasting is done, and how to receive e-mail alerts.

	Ozone Hourly Averages The hourly average concentration of ozone measured an hour ago back to 1997. Other meteorological data and air pollution parameters are available from this page.

	Ozone Warnings by E-Mail Information about warnings issued by the TCEQ when high measurements of ozone are detected in Texas metropolitan areas.

	Peak Daily One-Hour Ozone Averages Maximum one-hour ozone averages measured daily from yesterday back to 1996.

	Texas Cities' Compliance with Eight-Hour Ozone Standard Report for the fourth highest daily maximum eight-hour average ozone concentrations in Texas Metropolitan areas.

	Today's Texas Ozone Forecasts The latest forecast for ozone in participating Texas metropolitan areas.

	Today's Texas Ozone Warnings Announcements of high ozone levels currently measured in Houston, Galveston, Brazoria, Dallas, Fort Worth and San Antonio.