That said, we do have some suburbs and exurbs in the forest, for example some are in the foothills west of Denver. People have wondered for years what might happen if/when a wildfire would break out in there.
Even if the wildfires didn’t get into the cities, some of our cities are in natural “bowls” that could trap smog, heat and fumes. I think this is what is killing Moscow.
Fumes - and heat.
Their apartments have no air conditioning and it is 104 degrees. Many folks are faced with keeping the windows closed and risk dying from the heat, or opening them and choking on the fumes.