Fortunately the temperatures have cooled off from 80s and even 90-plus degree temperatures on the west side of the Cascade Mountains. Because of our traditionally "normal" cooler temperatures, the number of people with air conditioned homes is way less than half or more, on a percentage basis. The weather service advised people to stay indoors and keep their windows shut. What is a person to do?
One quick solution for helping to filter the air is to build your own air filtering system. It is crude, but should help somewhat. See this How to Make a DIY Air Purifier.
Call it American ingenuity.