diff --git a/algorithm/obstats/aero/viirs_n20_template.yaml.j2 b/algorithm/obstats/aero/viirs_n20_template.yaml.j2
new file mode 100644
index 0000000..9606dd9
--- /dev/null
+++ b/algorithm/obstats/aero/viirs_n20_template.yaml.j2
@@ -0,0 +1,50 @@
+- obs space:
+    name: aod
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: {{ aero_obsdatain_path }}/diag_{{ obspace }}_{{ stat_current_cycle_YMDH }}.nc4
+    simulated variables: {{ aero_obsdatatin_simulated_variables }}
+    observed variables: {{ aero_obsdatain_observed_variables }}
+  variables: {{ aero_variables }}
+  groups to process: {{ aero_file_groups }}
+  qc groups: {{ aero_file_qc_groups }}
+  statistics to compute: ['mean', 'count', 'RMS']
+  output file: "{{ obspace }}_{{ stat_current_cycle_YMDH }}_output_aod.nc"
+  domains to process:
+  - domain:
+      name: "nowhere"
+      first mask variable: latitude
+      first mask range: [-180,-100]
+  - domain:
+      name: "SH"
+      first mask variable: latitude
+      first mask range: [-90,0]
+  - domain:
+      name: "NH"
+      first mask variable: latitude
+      first mask range: [0,90]
+  - domain:
+      name: "CONUS"
+      first mask variable: latitude
+      first mask range: [25,49]
+      second mask variable: longitude
+      second mask range: [-125,-66]
+  - domain:
+      name: "Europe"
+      first mask variable: latitude
+      first mask range: [35,70]
+      second mask variable: longitude
+      second mask range: [-11,38]
+  - domain:
+      name: "Africa"
+      first mask variable: latitude
+      first mask range: [-35,37]
+      second mask variable: longitude
+      second mask range: [-17,52]
+  - domain:
+      name: "Asia"
+      first mask variable: latitude
+      first mask range: [0,70]
+      second mask variable: longitude
+      second mask range: [38, 180]
diff --git a/algorithm/obstats/aero/viirs_npp_template.yaml.j2 b/algorithm/obstats/aero/viirs_npp_template.yaml.j2
new file mode 100644
index 0000000..e0909bb
--- /dev/null
+++ b/algorithm/obstats/aero/viirs_npp_template.yaml.j2
@@ -0,0 +1,50 @@
+- obs space:
+    name: aod
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: {{ aero_obsdatain_path }}/diag_{{ obspace }}_{{ stat_current_cycle_YMDH }}.nc4
+    simulated variables: {{ aero_obsdatatin_simulated_variables }}
+    observed variables: {{ aero_obsdatain_observed_variables }}
+  variables: {{ aero_variables }}
+  groups to process: {{ aero_file_groups }}
+  qc groups: {{ aero_file_qc_groups }}
+  statistics to compute: ['mean', 'count', 'RMS']
+  output file: "{{ obspace }}_{{ stat_current_cycle_YMDH }}_output_aod.nc"
+  domains to process:
+  - domain:
+      name: "nowhere"
+      first mask variable: latitude
+      first mask range: [-180,-100]
+  - domain:
+      name: "SH"
+      first mask variable: latitude
+      first mask range: [-90,0]
+  - domain:
+      name: "NH"
+      first mask variable: latitude
+      first mask range: [0,90]
+  - domain:
+      name: "CONUS"
+      first mask variable: latitude
+      first mask range: [25,49]
+      second mask variable: longitude
+      second mask range: [-125,-66]
+  - domain:
+      name: "Europe"
+      first mask variable: latitude
+      first mask range: [35,70]
+      second mask variable: longitude
+      second mask range: [-11,38]
+  - domain:
+      name: "Africa"
+      first mask variable: latitude
+      first mask range: [-35,37]
+      second mask variable: longitude
+      second mask range: [-17,52]
+  - domain:
+      name: "Asia"
+      first mask variable: latitude
+      first mask range: [0,70]
+      second mask variable: longitude
+      second mask range: [38, 180]  
\ No newline at end of file