diff --git a/src/openfermion/chem/pubchem_test.py b/src/openfermion/chem/pubchem_test.py
index a1d97a86e..5834b337c 100644
--- a/src/openfermion/chem/pubchem_test.py
+++ b/src/openfermion/chem/pubchem_test.py
@@ -12,9 +12,11 @@
 
 """Tests for pubchem.py."""
 
+import os
+
 import numpy
-import pytest
 import pubchempy
+import pytest
 
 from openfermion.chem.pubchem import geometry_from_pubchem
 from openfermion.testing.testing_utils import module_importable
@@ -149,6 +151,11 @@ def test_water_2d(self, monkeypatch):
         with pytest.raises(ValueError, match='Incorrect value for the argument structure'):
             _ = geometry_from_pubchem('water', structure='foo')
 
+    # Skip if running in a CI environment.
+    @pytest.mark.skipif(
+        'CI' in os.environ,
+        reason='Skipping Pubchem API tests in CI to avoid failures due to busy servers.',
+    )
     @pytest.mark.flaky(retries=8, delay=30, only_on=[pubchempy.ServerBusyError])
     def test_geometry_from_pubchem_live_api(self):
         water_geometry = geometry_from_pubchem('water')