Study to examine why some air pollutants rose in Austin as traffic decreased

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With fewer cars on the road this spring, many air pollutants decreased, as expected in the Austin-area. At the same time, some air pollutants increased and scientists are working to find out why. 

An analysis of the Texas Commission on Environmental Quality’s data completed by the Capital Area Council of Governments, or CAPCOG, found lower concentrations of nitrogen dioxide and ground-level ozone during the last two weeks of March 2020 than the same two weeks of March 2017, 2018, and 2019.

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