diff --git a/swh/core/api/tests/test_gunicorn.py b/swh/core/api/tests/test_gunicorn.py
--- a/swh/core/api/tests/test_gunicorn.py
+++ b/swh/core/api/tests/test_gunicorn.py
@@ -30,6 +30,7 @@
         integrations=[flask_integration],
         debug=False,
         release=None,
+        environment=None,
     )
 
 
@@ -39,6 +40,7 @@
                new=lambda: flask_integration):
         with patch('sentry_sdk.init') as sentry_sdk_init:
             with patch.dict(os.environ, {'SWH_SENTRY_DSN': 'test_dsn',
+                                         'SWH_SENTRY_ENVIRONMENT': 'tests',
                                          'SWH_MAIN_PACKAGE': 'swh.core'}):
                 gunicorn_config.post_fork(None, None)
 
@@ -49,6 +51,7 @@
         integrations=[flask_integration],
         debug=False,
         release='swh.core@' + version,
+        environment='tests',
     )
 
 
@@ -66,6 +69,7 @@
         integrations=[flask_integration],
         debug=True,
         release=None,
+        environment=None,
     )
 
 
@@ -79,6 +83,7 @@
         integrations=[],
         debug=False,
         release=None,
+        environment=None,
     )
 
 
@@ -98,4 +103,5 @@
         debug=False,
         bar='baz',
         release=None,
+        environment=None,
     )
diff --git a/swh/core/sentry.py b/swh/core/sentry.py
--- a/swh/core/sentry.py
+++ b/swh/core/sentry.py
@@ -22,12 +22,14 @@
     if debug is None:
         debug = bool(os.environ.get('SWH_SENTRY_DEBUG'))
     sentry_dsn = sentry_dsn or os.environ.get('SWH_SENTRY_DSN')
+    environment = os.environ.get('SWH_SENTRY_ENVIRONMENT')
 
     if sentry_dsn:
         import sentry_sdk
 
         sentry_sdk.init(
             release=get_sentry_release(),
+            environment=environment,
             dsn=sentry_dsn,
             integrations=integrations,
             debug=debug,
diff --git a/swh/core/tests/test_cli.py b/swh/core/tests/test_cli.py
--- a/swh/core/tests/test_cli.py
+++ b/swh/core/tests/test_cli.py
@@ -114,6 +114,7 @@
         debug=False,
         integrations=[],
         release=None,
+        environment=None,
     )
 
 
@@ -134,6 +135,7 @@
         debug=True,
         integrations=[],
         release=None,
+        environment=None,
     )
 
 
@@ -158,6 +160,7 @@
         debug=True,
         integrations=[],
         release=None,
+        environment=None,
     )
 
 
@@ -172,6 +175,7 @@
         env = {
             'SWH_SENTRY_DSN': 'test_dsn',
             'SWH_MAIN_PACKAGE': 'swh.core',
+            'SWH_SENTRY_ENVIRONMENT': 'tests',
         }
         result = runner.invoke(
             swhmain, ['test'], env=env, auto_envvar_prefix='SWH')
@@ -185,6 +189,7 @@
         debug=False,
         integrations=[],
         release='swh.core@' + version,
+        environment='tests',
     )