Added pop-weighted average pm2.5 and death number#2

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catttjyl wants to merge 2 commits intoxiaor2:mainfrom catttjyl:main

+372-18

Commits on Aug 2, 2023

Sum up pollution values

cathy
authored and
cathy
committed

Commits on Sep 7, 2023

Added pop-weighted average pm2.5 and death number.
cathy
committed