If this truly about air quality especially indoors, then address the fact that the overall smoking rate for Aboriginal Canadians as measured by the CCHS over 2007 to 2010 was 39% - twice as high as the smoking rate for non-Aboriginal Canadians measured in the same combined survey (20.5%). 

Rates were highest for Inuit Canadians (49%), followed by First Nations (40%), followed by Métis (37%).