645047 external_news 1614966458 1614966563 If you're looking for an indoor space with a low level of particulate air pollution, a commercial airliner flying at cruising altitude maybe your best option. That's the gist of a research study led by Nga Lee (Sally) Ng, associate professor and Tanner Faculty Fellow in the School of Chemical and Biomolecular Engineering and the School of Earth and Atmospheric Sciences. Although the study was conducted in July 2020, the monitoring could not identify the types of the particles found, and therefore does not provide a direct measure of coronavirus exposure risk.

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