COVID-19 lockdowns linked to pollution spikes in some cities

New study investigates how emissions changes affected secondary pollutants

Lockdowns last year in response to COVID-19 resulted in drastic cuts to emissions, especially from vehicle tailpipes, and yet some urban areas saw a paradoxical spike in ozone air pollution. A new study led by the National Center for Atmospheric Research (NCAR) used a sophisticated computer model to disentangle the complicated web of atmospheric chemistry and meteorology to determine the causes of poor air quality. Read more at UCAR News . . .

ACOM lead author Ben Gaubert's paper is titled: "Global Changes in Secondary Atmospheric Pollutants during the 2020 COVID‐19 Pandemic".

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Palaces, avenues, buildings, parks, and scenery around China's Capital. The white Pagoda at Beihai from Jinshan Hill (27 September 2013). Photo by Yinan Chen at Wikimedia Commons.

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ACOM | Atmospheric Chemistry Observations & Modeling