diff --git a/Artifacts.toml b/Artifacts.toml
index 81a5be8599a..0d11e0d0330 100644
--- a/Artifacts.toml
+++ b/Artifacts.toml
@@ -4,3 +4,6 @@ git-tree-sha1 = "9da4af348af2606764e5e2c94d9439714221dff1"
     [[aerosol2005.download]]
     sha256 = "952d723b8462439c266dc0df79d0d4e71f774559edb941e03b7979e8ad743f56"
     url = "https://caltech.box.com/shared/static/chmel1vdthfvfac0yl61ayw2jqnjzr2c.gz"
+
+[aerosol_concentrations]
+    git-tree-sha1 = "a4bf66aab365d42abe428129457327d5244ed6b0"
diff --git a/config/default_configs/default_config.yml b/config/default_configs/default_config.yml
index 9da48545ce9..34d4f1684c7 100644
--- a/config/default_configs/default_config.yml
+++ b/config/default_configs/default_config.yml
@@ -150,7 +150,7 @@ bubble:
   value: true
 start_date:
   help: "Start date of the simulation"
-  value: "20050117"  # Where the current aerosol data begins
+  value: "20100101"
 forcing:
   help: "Forcing [`nothing` (default), `held_suarez`]"
   value: ~
diff --git a/src/cache/tracer_cache.jl b/src/cache/tracer_cache.jl
index 15a876e6c0a..eaea9f9dcdf 100644
--- a/src/cache/tracer_cache.jl
+++ b/src/cache/tracer_cache.jl
@@ -6,7 +6,7 @@ function tracer_cache(Y, atmos, prescribed_aerosol_names, start_date)
         return (;)
     end
 
-    # Take the aerosol2005/aero_2005.nc file, read the keys with names matching
+    # Take the aerosol concentration file, read the keys with names matching
     # the ones passed in the prescribed_aerosol_names option, and create a
     # NamedTuple that uses the same keys and has as values the TimeVaryingInputs
     # for those variables.
@@ -19,8 +19,11 @@ function tracer_cache(Y, atmos, prescribed_aerosol_names, start_date)
     timevaryinginputs = [
         TimeVaryingInput(
             joinpath(
-                @clima_artifact("aerosol2005", ClimaComms.context(Y.c)),
-                "aero_2005.nc",
+                @clima_artifact(
+                    "aerosol_concentrations",
+                    ClimaComms.context(Y.c)
+                ),
+                "aerosol_concentrations.nc",
             ),
             name,
             target_space;