People can't get enough of this map. If the ex wife of a tech billionaire wants to do some philanthropy just buy a bunch of ads that consist of 30 seconds of this map.
https://lims.minneapolismn.gov/Download/RCAV2/47230/HERC%20Air%20Quality%20Staff%20Presentation.pdf
https://lims.minneapolismn.gov/Download/RCAV2/47230/HERC%20Air%20Quality%20Staff%20Presentation.pdf
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https://ourstreetsmpls.maps.arcgis.com/apps/instant/portfolio/index.html?appid=f55cfafaeb4e47cdb38fa63c3c1337a6&locale=en-us