| Summary: | Due to negative effects on human health and visibility, atmospheric particulate matter (PM) is a prioritized contaminant for urban air pollution management. Over the past few decades, managing emissions have been a top priority. This paper investigated PM national inventory data and mass concentration trends for Lithuania. This analysis considers primary (sum of filterable and condensable) PM<sub>2.5</sub> and PM<sub>10</sub> emissions from point, mobile on-road and off-road, industry, agriculture, and waste sectors. In this study, by examining both the emissions and the mass concentrations of PM<sub>10</sub>, the effects of emissions decreasing with a concentration decrease were revealed. The slower decreasing tendency of PM<sub>10</sub> and BC (0.03 Gg/year) than that of PM<sub>2.5</sub> (0.1 Gg/year) should be noted. Furthermore, the correlation analysis also finds that the increase in PM<sub>10</sub> from stationary and mobile combustion sources is closely related to the increase in the contribution to the pollution level.
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