It’s not that hard to figure. Has to do with weather air flows:
https://weather.com/news/weather/video/where-wildfire-smoke-is-headed-next-0
Their map shows my area in purple (hazardous), but it's nothing more than a slight fog here, and a slight smell of a wood fire, which we get here from time to time anyway...nothing like they claim the danger is supposed to be on the map.
I should also mention I live in the foothills of the Adirondacks, in the Mohawk Valley where you would think the smoke would settle, and not move away. It isn’t any different than most days here...overcast. We’re finally getting some rain to wash the yellow pollen off the cars. To me, the pollen is worse than the smoke.