Is There Less PM2.5 on Higher Floors? Does Living in a High Rise Protect People From Pollution?

Living on the 20th floor of a high rise building isolates people from the world. Cars, streets, shaokao vendors—they’re all farther away. So does that mean PM2.5 is lower on the higher floors of buildings? The Test Tristan from the Smart Air team tested this by taking laser particle counters from floor 1 to floor […]

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