Layer Estimates:

Layer: us_zcta_pm25_2000_2016_v6 (ID:0)
Count: 541543
Extent:

XMin: -2908177.09106891
YMin: -1441428.63559839
XMax: 2940645.71543363
YMax: 1644529.27733614
Spatial Reference: 102003 (102003)