This research aims to explore the spatiotemporal distribution patterns of negative emotions in mainland China during different stages of the COVID-19 pandemic and the external factors influencing this clustering. Using Baidu Index data for 91 negative emotion keywords. a retrospective geographic analysis was conducted across Chinese provinces from 14 October 2019 to 7 July 2022. Four ... https://poolsproductscanadas.shop/product-category/hayward-hpxxa1ee/