From 9d8b2fd0f4445daa3de30b7deff738c0d14a9fa7 Mon Sep 17 00:00:00 2001
From: David Hoese <david.hoese@ssec.wisc.edu>
Date: Tue, 9 Jan 2024 21:09:55 -0600
Subject: [PATCH] Add debug log message to know when AOD QC filtering is being
 performed

---
 satpy/readers/viirs_edr.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/satpy/readers/viirs_edr.py b/satpy/readers/viirs_edr.py
index 36d9ed5ac0..b5ba999b13 100644
--- a/satpy/readers/viirs_edr.py
+++ b/satpy/readers/viirs_edr.py
@@ -372,5 +372,6 @@ def _mask_invalid(self, data_arr: xr.DataArray, ds_info: dict) -> xr.DataArray:
         new_data_arr = super()._mask_invalid(data_arr, ds_info)
         if self._aod_qc_filter is None or ds_info["name"] != "AOD550":
             return new_data_arr
+        LOG.debug(f"Filtering AOD data to include quality <= {self._aod_qc_filter}")
         qc_all = self.nc["QCAll"]
         return new_data_arr.where(qc_all <= self._aod_qc_filter)