Spatiotemporal changes in global nitrogen dioxide emission due to COVID-19 mitigation policies

Sci Total Environ · 2021 · PMC8562887

Europe PMC

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a decreasing trendno p-value reported

Eastern Texas also presents a decreasing trend which cannot be seen in 2019.

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extremely significantno p-value reported

The decrease is extremely significant compared to 2019 (−34% vs −9%), reflecting negative impacts of COVID-19 on economic activities and NO 2 emissions.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.