Don_Dickle@lemmy.world to No Stupid Questions@lemmy.world · 3 days agoI feel stupid asking this. But cities and countries who have smog and a major amount of air pollution. Why doesn't the wind blow it away or move it overtime? Is there that much pollution?message-squaremessage-square21fedilinkarrow-up175file-text
arrow-up175message-squareI feel stupid asking this. But cities and countries who have smog and a major amount of air pollution. Why doesn't the wind blow it away or move it overtime? Is there that much pollution?Don_Dickle@lemmy.world to No Stupid Questions@lemmy.world · 3 days agomessage-square21fedilinkfile-text
minus-squareFireRetardant@lemmy.worldlinkfedilinkarrow-up18·3 days agoThere are also weather conditions that reduce air flow, sometimes for days at a time, where very little wind blows and a bubble of air keeps a lot of the pollution over the city.
minus-squareFermion@feddit.nllinkfedilinkarrow-up13·edit-23 days agoSalt Lake City is a notable example of a spot where cold air gets trapped by the surrounding topography in the winter, and air pollutants accumulate.
There are also weather conditions that reduce air flow, sometimes for days at a time, where very little wind blows and a bubble of air keeps a lot of the pollution over the city.
Salt Lake City is a notable example of a spot where cold air gets trapped by the surrounding topography in the winter, and air pollutants accumulate.