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Aside from smoking, which is already recognized as a strong risk factor for COPD, interest in the impact of particulate matter (PM) on COPD is increasing. This study aimed to investigate the effect of PM, especially with an aerodynamic diameter ≤2.5 µm (PM 2.5 ), and its chemical constituents on the exacerbation of COPD.

international journal of chronic obstructive pulmonary disease/international journal of copd

Epidemiological study of PM&lt;sub&gt;2.5&lt;/sub&gt; and risk of COPD-related hospital visits in association with particle constituents in Chuncheon, Korea