diff --git a/e3sm_diags/driver/default_diags/annual_cycle_zonal_mean_model_vs_obs.cfg b/e3sm_diags/driver/default_diags/annual_cycle_zonal_mean_model_vs_obs.cfg
index 18c16d431..3babb9b14 100644
--- a/e3sm_diags/driver/default_diags/annual_cycle_zonal_mean_model_vs_obs.cfg
+++ b/e3sm_diags/driver/default_diags/annual_cycle_zonal_mean_model_vs_obs.cfg
@@ -380,14 +380,24 @@ reference_name = "MERRA2 Reanalysis"
 contour_levels = [5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60]
 diff_levels = [-12, -9, -6, -4, -3, -2, -1, 1, 2, 3, 4, 6, 9, 12]
 
-
+[#]
+sets = ["annual_cycle_zonal_mean"]
+case_id = "MERRA2_Aerosols"
+variables = ["AODVIS"]
+ref_name = "MERRA2_Aerosols"
+reference_name = "MERRA2 Aerosols"
+test_colormap = "Oranges"
+reference_colormap = "Oranges"
+diff_colormap = "BrBG_r"
+contour_levels = [0., 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2]
+diff_levels = [-0.5, -0.4, -0.3, -0.2, -0.1, -0.05, -0.02, 0.02, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5]
 
 [#]
 sets = ["annual_cycle_zonal_mean"]
-case_id = "AOD_550"
+case_id = "MACv2"
 variables = ["AODVIS"]
-ref_name = "AOD_550"
-reference_name = "AERONET-composite AOD"
+ref_name = "MACv2"
+reference_name = "Max-Planck Aerosol climatology (MACv2)"
 test_colormap = "Oranges"
 reference_colormap = "Oranges"
 diff_colormap = "BrBG_r"
diff --git a/e3sm_diags/driver/default_diags/zonal_mean_xy_model_vs_obs.cfg b/e3sm_diags/driver/default_diags/zonal_mean_xy_model_vs_obs.cfg
index f56c02df3..0d0b5d19c 100644
--- a/e3sm_diags/driver/default_diags/zonal_mean_xy_model_vs_obs.cfg
+++ b/e3sm_diags/driver/default_diags/zonal_mean_xy_model_vs_obs.cfg
@@ -3,7 +3,7 @@ sets = ["zonal_mean_xy"]
 case_id = "GPCP_v3.2"
 variables = ["PRECT"]
 ref_name = "GPCP_v3.2"
-reference_name = "GPCP v2.2"
+reference_name = "GPCP v3.2"
 seasons = ["ANN", "01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12", "DJF", "MAM", "JJA", "SON"]
 regions = ["global"]