Toronto under air quality warning and ‘severe’ thunderstorm watch. Live updates here CTV NewsCity remains under orange air quality warning due to wildfires Thunder Bay News – TBNewsWatch.comSmoke levels increase across most of GTA with relief expected from afternoon showers CBCWhere Americans can expect to see air, health impacts from wildfires NBC NewsAir quality warnings remain in place across US as wildfire smoke continues to swathe country The Guardian
