diff --git a/ariadne/services/cluster_state.py b/ariadne/services/cluster_state.py
index 5293cb8..33802e0 100644
--- a/ariadne/services/cluster_state.py
+++ b/ariadne/services/cluster_state.py
@@ -1157,6 +1157,16 @@ def _summarize_metrics(errors: list[str]) -> dict[str, Any]:
                 "topk(5, sum by (namespace) (kube_pod_container_resource_requests_memory_bytes))"
             )
         )
+        metrics["namespace_net_top"] = _filter_namespace_vector(
+            _vm_vector(
+                f"topk(5, sum by (namespace) (rate(container_network_receive_bytes_total{{namespace!=\"\"}}[{_RATE_WINDOW}]) + rate(container_network_transmit_bytes_total{{namespace!=\"\"}}[{_RATE_WINDOW}])))"
+            )
+        )
+        metrics["namespace_io_top"] = _filter_namespace_vector(
+            _vm_vector(
+                f"topk(5, sum by (namespace) (rate(container_fs_reads_bytes_total{{namespace!=\"\"}}[{_RATE_WINDOW}]) + rate(container_fs_writes_bytes_total{{namespace!=\"\"}}[{_RATE_WINDOW}])))"
+            )
+        )
     except Exception as exc:
         errors.append(f"namespace_usage: {exc}")
     metrics["pvc_usage_top"] = _pvc_usage(errors)
@@ -1174,6 +1184,8 @@ def _summarize_metrics(errors: list[str]) -> dict[str, Any]:
         "namespace_mem": "bytes",
         "namespace_cpu_requests": "cores",
         "namespace_mem_requests": "bytes",
+        "namespace_net": "bytes_per_sec",
+        "namespace_io": "bytes_per_sec",
         "pvc_used_percent": "percent",
         "capacity_cpu": "cores",
         "allocatable_cpu": "cores",
diff --git a/tests/test_cluster_state.py b/tests/test_cluster_state.py
index 8553dd8..c814281 100644
--- a/tests/test_cluster_state.py
+++ b/tests/test_cluster_state.py
@@ -137,6 +137,8 @@ def test_collect_cluster_state(monkeypatch) -> None:
     assert snapshot["metrics"]["namespace_mem_top"] == []
     assert snapshot["metrics"]["namespace_cpu_requests_top"] == []
     assert snapshot["metrics"]["namespace_mem_requests_top"] == []
+    assert snapshot["metrics"]["namespace_net_top"] == []
+    assert snapshot["metrics"]["namespace_io_top"] == []
     assert snapshot["metrics"]["pod_cpu_top"] == []
     assert snapshot["metrics"]["pod_mem_top"] == []
     assert snapshot["metrics"]["job_failures_24h"] == []