{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:27:21Z","timestamp":1760146041822,"version":"build-2065373602"},"reference-count":45,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2024,9,28]],"date-time":"2024-09-28T00:00:00Z","timestamp":1727481600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>A quasi-consensus has steadily formed in the scientific literature on the fact that the prevention measures implemented by most countries to curb the 2020 COVID-19 pandemic have led to significant reductions in pollution levels around the world, especially in urban environments. Fewer studies have looked at how these reductions at the ground level translate into variations in the whole atmosphere. In this study, we examine the columnar values of aerosols at 51 mainland European stations of the Aerosol Robotic Network (AERONET). We show that when considered in the context of the long-term trend over the last decade, the columnar aerosol levels for 2020, at the regional level, do not appear exceptional. Both the yearly means and the number of episodes with extreme values for this period are within one standard deviation of the long-term trends. We conclude that the spatially and temporally localized reductions do not add up to statistically significant reductions at the global levels of aerosols. Furthermore, considering that pandemic lockdowns can be thought of as a simulation of a climate change mitigation scenario, we conclude that such lifestyle-based changes present a very low potential as a global climate change mitigation strategy.<\/jats:p>","DOI":"10.3390\/rs16193618","type":"journal-article","created":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T05:45:27Z","timestamp":1727675127000},"page":"3618","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Changes in Anthropogenic Aerosols during the First Wave of COVID-19 Lockdowns in the Context of Long-Term Historical Trends at 51 AERONET Stations"],"prefix":"10.3390","volume":"16","author":[{"given":"Robert","family":"Blaga","sequence":"first","affiliation":[{"name":"Faculty of Physics, West University of Timisoara, V. Parvan 4, 300223 Timisoara, Romania"}]},{"given":"Delia","family":"Calinoiu","sequence":"additional","affiliation":[{"name":"Department of Fundamental of Physics for Engineers, Politehnica University Timisoara, V. Parvan 2, 300223 Timisoara, Romania"}]},{"given":"Gavrila","family":"Trif-Tordai","sequence":"additional","affiliation":[{"name":"Faculty of Mechanical Engineering, Politehnica University Timisoara, M. Viteazu 1, 300222 Timisoara, Romania"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"647","DOI":"10.1038\/s41558-020-0797-x","article-title":"Temporary reduction in daily global CO2 emissions during the COVID-19 forced confinement","volume":"10","author":"Jackson","year":"2020","journal-title":"Nat. Clim. 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