Seven Western states are under air quality alerts due to raging wildfires, which have forced thousands to evacuate and destroyed hundreds of homes. CNN's Dan Simon reports on some of the 92 large fires currently burning in the US.
Seven Western states are under air quality alerts due to raging wildfires, which have forced thousands to evacuate and destroyed hundreds of homes. CNN's Dan Simon reports on some of the 92 large fires currently burning in the US.
