Data for: Personal exposure to PM2.5 and its chemical components in individuals with COPD: associations with lifestyle and lung function

Dataset includes personal exposure concentrations of PM2.5, BC (Black Carbon), BrC (Brown Carbon), ETS (Environmental Tobacco Smoke), and inorganic chemical elements measured from participants with COPD.
Survey responses on lifestyle and environmental factors (e.g., cooking, time spent outdoors, window opening hours, smoking status) are also included.
All data are anonymized and were collected in Atlanta, GA, USA.