title: Patient advice during acute air pollution episode.
mesh_terms: D000397:Air Pollution; D002908:Chronic Disease; D004781:Environmental Exposure; D004782:Environmental Health; D006801:Humans; D007509:Irritants; D010817:Physician-Patient Relations; D012140:Respiratory Tract Diseases / Q000517:prevention & control*
chemical_list: D007509:Irritants