Alamo Area Metropolitan Planning Organization
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Transportation and Air Quality

What you can do

View our tips to voluntarily reduce your emissions.

Transportation’s contribution to ozone

Emissions from industrial facilities, electric utilities, motor vehicle exhaust, gasoline vapor and chemical solvents are some of the major sources of the air pollutants nitrogen oxides (NOx) and volatile organic compounds (VOC). When these pollutants react together in sunlight and heat, ozone is formed.

Local emission source contribution to ozone (2017) image of chart showing local emission source contribution to ozone

For More Information:

Allison Blazosky pictureAllison Blazosky, AICP

Transportation Planning Program Manager
Title VI Liaison

(210) 230-6911