Layer Estimates:

Layer: Air_Now_Current_Site_Data (ID:0)
Count: 4792
Extent:

XMin: -18007820.0672
YMin: -4106490.605
XMax: 16070077.2381
YMax: 11111782.3781
Spatial Reference: 102100 (3857)
Vertical Spatial Reference: 115700 (115700)