Air pollution fell sharply during the lockdown

Air pollution fell sharply during the lockdown

IMAGE: The Innsbruck Atmospheric Observatory is located on the roof of the Bruno Sander House at the University of Innsbruck in the center of the Tyrolean capital. view more

Credit: University of Innsbruck

The far-reaching mobility restrictions at the start of the Corona pandemic in March 2020 created a unique situation for atmospheric science: “During the 2020 lockdown, we were able to directly investigate the real effects of the drastic traffic restrictions on the distribution of air pollutants and on climate gas emissions, ”says Thomas Karl, atmospheric scientist in Innsbruck. With his team, he has now published a detailed analysis of the air quality during the first lockdown of the city of Innsbruck, Austria, in the journal Atmospheric Chemistry and Physics. “We are seeing significantly greater reductions in air pollutants than in carbon dioxide, for example,” explains the researcher, summarizing the results. During the past year, some studies have shown contradictory results because the influence of the weather was often not taken into account, on the one hand, or a detailed comparison with the emissions. data was not possible, however. Based on a …

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