Smog that’s erasing Vancouver’s skyline also causing health concerns

The typical weekly routine for Margaret Birrell, an active 75-year-old, would include exercises at home, a daily brisk walk in her Vancouver neighbourhood and at least three visits to the South Granville Seniors Centre for lunch or fellowship.
But the poor air quality — B.C.’s air quality health index pegged Metro Vancouver at 7 out of 10 on Wednesday morning, and the eastern Fraser Valley as high as 9 — had her wheezing and puffing.
Thick smoke from wildfires fills the air as