diff --git a/activitysim/core/flow.py b/activitysim/core/flow.py
index 9bfff5816..e6771b6f4 100644
--- a/activitysim/core/flow.py
+++ b/activitysim/core/flow.py
@@ -51,7 +51,7 @@
 
 @contextlib.contextmanager
 def logtime(tag, tag2=""):
-    logger.info(f"begin {tag} {tag2}")
+    logger.debug(f"begin {tag} {tag2}")
     t0 = time.time()
     try:
         yield
@@ -59,7 +59,7 @@ def logtime(tag, tag2=""):
         logger.error(f"error in {tag} after {timedelta(seconds=time.time()-t0)} {tag2}")
         raise
     else:
-        logger.info(f"completed {tag} in {timedelta(seconds=time.time()-t0)} {tag2}")
+        logger.debug(f"completed {tag} in {timedelta(seconds=time.time()-t0)} {tag2}")
 
 
 class TimeLogger:
@@ -271,11 +271,11 @@ def skims_mapping(
     primary_origin_col_name=None,
     predigitized_time_periods=False,
 ):
-    logger.info("loading skims_mapping")
-    logger.info(f"- orig_col_name: {orig_col_name}")
-    logger.info(f"- dest_col_name: {dest_col_name}")
-    logger.info(f"- stop_col_name: {stop_col_name}")
-    logger.info(f"- primary_origin_col_name: {primary_origin_col_name}")
+    logger.debug("loading skims_mapping")
+    logger.debug(f"- orig_col_name: {orig_col_name}")
+    logger.debug(f"- dest_col_name: {dest_col_name}")
+    logger.debug(f"- stop_col_name: {stop_col_name}")
+    logger.debug(f"- primary_origin_col_name: {primary_origin_col_name}")
     skim_dataset = state.get_injectable("skim_dataset")
     if zone_layer == "maz" or zone_layer is None:
         odim = "omaz" if "omaz" in skim_dataset.dims else "otaz"
@@ -297,7 +297,7 @@ def skims_mapping(
     else:
         raise ValueError(f"unknown zone layer {zone_layer!r}")
     if zone_layer:
-        logger.info(f"- zone_layer: {zone_layer}")
+        logger.debug(f"- zone_layer: {zone_layer}")
     if (
         orig_col_name is not None
         and dest_col_name is not None
@@ -574,7 +574,7 @@ def _apply_filter(_dataset, renames: list):
             if choosers is None:
                 logger.info(f"empty flow on {trace_label}")
             else:
-                logger.info(f"{len(choosers)} chooser rows on {trace_label}")
+                logger.debug(f"{len(choosers)} chooser rows on {trace_label}")
             flow_tree = sh.DataTree(df=[] if choosers is None else choosers)
             idx_name = choosers.index.name or "index"
             rename_dataset_cols = [
@@ -598,7 +598,7 @@ def _apply_filter(_dataset, renames: list):
             )
             flow_tree.root_dataset = flow_tree.root_dataset  # apply the filter
         else:
-            logger.info(
+            logger.debug(
                 f"{len(choosers)} chooser rows and {len(interacts)} interact rows on {trace_label}"
             )
             top = sh.dataset.from_named_objects(
@@ -697,7 +697,7 @@ def _apply_filter(_dataset, renames: list):
             for i, v in extra_vars.items():
                 readme += f"\n            - {i}: {v}"
 
-        logger.info(f"setting up sharrow flow {trace_label}")
+        logger.debug(f"setting up sharrow flow {trace_label}")
         extra_hash_data = ()
         if zone_layer:
             extra_hash_data += (zone_layer,)
diff --git a/activitysim/core/skim_dataset.py b/activitysim/core/skim_dataset.py
index 1e359af3d..14c7ed862 100644
--- a/activitysim/core/skim_dataset.py
+++ b/activitysim/core/skim_dataset.py
@@ -253,7 +253,7 @@ def set_df(self, df):
                 and np.issubdtype(df[self.time_key].dtype, np.integer)
                 and df[self.time_key].max() < self.dataset.dims["time_period"]
             ):
-                logger.info(f"natural use for time_period={self.time_key}")
+                logger.debug(f"natural use for time_period={self.time_key}")
                 positions["time_period"] = df[self.time_key]
             elif (
                 df[self.time_key].dtype == "category"
@@ -261,7 +261,7 @@ def set_df(self, df):
             ):
                 positions["time_period"] = df[self.time_key].cat.codes
             else:
-                logger.info(f"vectorize lookup for time_period={self.time_key}")
+                logger.debug(f"vectorize lookup for time_period={self.time_key}")
                 positions["time_period"] = pd.Series(
                     np.vectorize(self.time_map.get, "I")(df[self.time_key], 0),
                     index=df.index,