Layer Estimates:

Layer: JoinedFeature (ID:4)
Count: 49
Extent:

XMin: -13885188.4222278
YMin: 2870387.39621656
XMax: -7454985.14654529
YMax: 6338173.22013837
Spatial Reference: 102100 (3857)

Layer: AirQualityCSV.csv (ID:2)
Count: 50

Layer: CovidData.csv (ID:3)
Count: 58