Alberta has the worst air in the country in terms of dust and coarse particulate matter, says new Health Canada research. The department based its data on air samples from test sites in Edmonton, Calgary and cities nationwide: “This is irritating”.
Alberta has the worst air in the country in terms of dust and coarse particulate matter, says new Health Canada research. The department based its data on air samples from test sites in Edmonton, Calgary and cities nationwide: “This is irritating”.