2023.05.09 ADDED CHANGED Assumed uniform population distribution within tracts in which all matched 10km grid cells have population per m2 = 0. Updated smokePM predictions at tract level. REMOVED 2022.11.04 ADDED CHANGED Removed Florida Keys from crosswalks between 10km grid and county, tract, and ZCTA. Updated aggregated smokePM predictions. REMOVED 2022.10.26 ADDED Uploaded smokePM predictions at ZCTA level. CHANGED REMOVED 2022.09.28 ADDED Uploaded README for smokePM predictions at 10km grid level. Uploaded README for smokePM predictions at county level. Uploaded README for smokePM predictions at tract level. CHANGED REMOVED Dropped shapefiles for counties beyond the spatial coverage where predictions are made (e.g. Alaska, Hawaii, Florida Keys). Dropped shapefiles for tracts beyond the spatial coverage where predictions are made (e.g. Alaska, Hawaii, Florida Keys). 2022.09.21 ADDED Uploaded smokePM predictions at tract level. CHANGED REMOVED 2022.09.19 ADDED Uploaded smokePM predictions at 10km grid level. Uploaded smokePM predictions at county level. CHANGED REMOVED