The Current Status and Factors of Indoor PM2.5 in Tangshan, China.

Atmospheric particle matters which contribute the most to the haze weather in China have raised the public awareness in recent years. This paper collected the current research status of PM2.5 and the hourly data which were recorded from authoritative websites shows the outdoor concentration of PM2.5 and PM10 from July 2015 to December 2015 in Tangshan urban area. The indoor data recorded by dust monitor were compared with outdoor counterparts to analyze the variation and factors of indoor concentration of PM2.5. The results indicate the close correlation between the indoor and outdoor concentration of PM2.5 in Tangshan urban district in the paper. [ABSTRACT FROM AUTHOR]