title: Long-term mean concentrations of atmospheric smoke and sulphur dioxide in country areas of England and Wales.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004739:England; D012906:Smoke / Q000032:analysis*; D013458:Sulfur Dioxide / Q000032:analysis*; D014852:Wales; D014919:Wind
chemical_list: D000393:Air Pollutants; D012906:Smoke; D013458:Sulfur Dioxide