# Comparison of the Application of Three Methods for the Determination of Outdoor PM2.5 Design Concentrations for Fresh Air Filtration Systems in China

> Research article (International Journal of Environmental Research and Public Health, 2022) · cited 13× · AI/ML

**Wikidata**: [openalex:W4311956322](https://www.wikidata.org/wiki/openalex:W4311956322)  
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