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Spatial–temporal variations and influencing factors of air quality in China’s major cities during COVID-19 lockdown
To control the spread of COVID-19, the Chinese government announced a “lockdown” policy, and the citizens’ activities were restricted. This study selected three standard air quality indexes, AQI, PM2.5, and PM10, of 2017–2021 in 40 major cities in six regions in China to analyze their changes, spati...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Berlin Heidelberg
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9640879/ https://www.ncbi.nlm.nih.gov/pubmed/36342604 http://dx.doi.org/10.1007/s11356-022-23927-4 |