But bureaucratic inertia in major retrofit projects is difficult to overcome unless there is a clear and present danger. COVID response is (quite rightly) a controversial topic, and somehow evaluating the potential for benign passive “clean air” building improvements got swept up in that whole “active mandate” mess.
But nobody is a fan of wildfire smoke and it is currently a hot topic (no pun intended or achieved). Hope they do something intelligent, at least for children and the elderly.