Transportation and Air Quality

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Air quality concerns are a major challenge in the DFW region, and the transportation sector contributes significantly to the amount of pollutants found in our air. Examples of these pollutants include particulate matter, sulfur dioxide, nitrogen dioxide, ground-level ozone, and carbon monoxide.

North Texas currently has high levels of ground-level ozone. According to the 2025 NCTCOG Air Quality Handbook, clinical studies show long-term exposure to elevated concentrations of ground-level ozone may reduce lung function, increase the frequency of asthma episodes, and reduce the body’s ability to resist respiratory infections. These high levels designate us as an area of “non-attainment”, and we must do what we can to reduce local emissions that lead to the formation of ozone.

Expand the sections below for tips on cleaner transportation options and to see what the City is doing to help.

HIKE OR BIKE
CARPOOL
TAKE A RIDE
GO ELECTRIC
CITY OF LEWISVILLE EFFORTS