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As bluebonnets dot the Texas highways signaling the arrival of spring and summer, concerns about ozone pollution also begin to surface. March 1 marks the official start of ozone season in the Dallas Metroplex and in Greater Houston. Other metro areas, including Austin and San Antonio, mark April 1 as their start date. Ozone forecast season ends for most areas on October 31, but in Houston it lasts through November 30. Ozone season is nothing to celebrate, but this primer can help get you up to speed on the basics of ozone pollution and what you can do to improve air quality and protect the health of your family.
What is ozone? Ground-level ozone is the main component of smog and is the single most widespread air pollutant in the United States. Ozone pollution forms when nitrogen oxides and volatile organic compounds (primarily released from combustion of fossil fuels, like car exhaust) react with heat and sunlight. Texas’ combination of heavy industrial activity, hot summers, and millions of cars on the road increases the potential for generation of harmful levels of ozone. Read More