A study has found air inside homes on four remote First Nations in northwestern Ontario contained carbon monoxide, fine particles, mould and other substances that increase the risk of respiratory infections. A welcome sign for the Lac Seul First Nation west of Sioux Lookout, Ont., on April 24, 2018.Photo by Colin Perkel/THE CANADIAN PRESS

High levels of carbon monoxide, mould found in homes on Ontario reserves: study

by · National Post

A study has found air inside homes on four remote First Nations in northwestern Ontario contained carbon monoxide, fine particles, mould and other substances that increase the risk of respiratory infections.

The report’s author, David Miller, a distinguished research professor at Carleton University, says there are ways to improve ventilation.