diff --git a/src/fgai/dashboard.py b/src/fgai/dashboard.py
index 10bf63c..64dbf33 100644
--- a/src/fgai/dashboard.py
+++ b/src/fgai/dashboard.py
@@ -535,6 +535,11 @@ async function refresh() {
   const displayedFetchMode = mcp.fetch_mode || mcp.previous_fetch_mode || configuration.graylog_fetch_mode || 'raw';
   const displayedCoverage = mcp.coverage_status || mcp.previous_coverage_status || 'unknown';
   const zeroRawWindow = mcp.status === 'refreshing' ? 'previous completed poll' : 'this poll';
+  const nowSeconds = Math.floor(Date.now() / 1000);
+  const pollStartedAt = Number(mcp.poll_started_at || 0);
+  const pollCompletedAt = Number(mcp.poll_completed_at || mcp.previous_poll_completed_at || 0);
+  const pollRunningSeconds = pollStartedAt ? Math.max(0, nowSeconds - pollStartedAt) : 0;
+  const pollCompletedAge = pollCompletedAt ? Math.max(0, nowSeconds - pollCompletedAt) : 0;
   const rawCorrelations = data.cross_source_correlations || [];
   const correlationsCached = rawCorrelations.length === 0 && uiCache.correlations.length > 0;
   const correlations = rawCorrelations.length ? rawCorrelations : uiCache.correlations;
@@ -573,6 +578,9 @@ async function refresh() {
     `Discovery fields recorded: ${esc((data.baseline || {}).discovery_fields_recorded || 0)}`,
     `Discovery cache events: ${esc((data.baseline || {}).discovery_cache_events || 0)}`,
     `MCP status: ${esc(mcp.status || 'unknown')}`,
+    mcp.status === 'refreshing' && pollStartedAt ? `MCP poll running: ${esc(pollRunningSeconds)}s` : '',
+    pollCompletedAt ? `Last completed MCP poll: ${esc(pollCompletedAge)}s ago` : '',
+    mcp.status === 'refreshing' && pollRunningSeconds > Math.max(120, Number(configuration.graylog_range_seconds || 300)) ? `<span class="sev-high">MCP poll has been refreshing for ${esc(pollRunningSeconds)}s. It may be slow or stuck.</span>` : '',
     mcp.error ? `<span class="sev-high">MCP error: ${esc(mcp.error)}</span>` : '',
     `Enabled streams: ${esc(enabledStreams.length)}`,
     `MCP fetch mode: ${esc(displayedFetchMode)}${mcp.status === 'refreshing' ? ' (refreshing, showing previous counters)' : ''}`,
diff --git a/src/fgai/monitor.py b/src/fgai/monitor.py
index 050ca07..4a71091 100644
--- a/src/fgai/monitor.py
+++ b/src/fgai/monitor.py
@@ -215,6 +215,7 @@ def build_status(
                     "events_fetched": len(events),
                     "raw_events_fetched": len(events),
                     "aggregate_events": aggregate_events_total,
+                    "poll_completed_at": int(time.time()),
                     "fetch_mode": "aggregate" if use_aggregate else "raw",
                     "range_seconds": range_seconds,
                     "max_events_per_stream": max_events_per_stream,
@@ -482,6 +483,7 @@ def write_status(status: dict[str, object], output: str) -> None:
 
 def write_refreshing_status(output: str, *, cache_path: str | None = None) -> None:
     output_path = Path(output)
+    now = int(time.time())
     try:
         current = json.loads(output_path.read_text(encoding="utf-8")) if output_path.exists() else {}
     except (json.JSONDecodeError, OSError):
@@ -495,8 +497,9 @@ def write_refreshing_status(output: str, *, cache_path: str | None = None) -> No
             current = cached
             used_cache = True
     previous_mcp = current.get("capabilities", {}).get("graylog_mcp", {}) if isinstance(current.get("capabilities"), dict) else {}
+    previous_completed_at = previous_mcp.get("poll_completed_at", current.get("generated_at", 0)) if isinstance(previous_mcp, dict) else current.get("generated_at", 0)
     current.setdefault("status_schema", 2)
-    current["generated_at"] = int(time.time())
+    current["generated_at"] = now
     current["stale"] = False
     current["stale_reason"] = ""
     capabilities = current.setdefault("capabilities", {})
@@ -518,6 +521,8 @@ def write_refreshing_status(output: str, *, cache_path: str | None = None) -> No
             "events_fetched": previous_events,
             "raw_events_fetched": previous_raw_events,
             "aggregate_events": previous_aggregate_events,
+            "poll_started_at": now,
+            "previous_poll_completed_at": previous_completed_at,
             "fetch_mode": previous_fetch_mode,
             "coverage_status": previous_coverage_status or "refreshing",
         }
diff --git a/tests/test_monitor.py b/tests/test_monitor.py
index 8632cf8..45d19de 100644
--- a/tests/test_monitor.py
+++ b/tests/test_monitor.py
@@ -80,7 +80,7 @@ class MonitorTests(unittest.TestCase):
                 "last_good",
                 {
                     "summary": {"total": 1234},
-                    "capabilities": {"graylog_mcp": {"status": "connected", "events_fetched": 99, "raw_events_fetched": 88, "aggregate_events": 1234, "fetch_mode": "aggregate", "coverage_status": "complete_window"}},
+                    "capabilities": {"graylog_mcp": {"status": "connected", "events_fetched": 99, "raw_events_fetched": 88, "aggregate_events": 1234, "poll_completed_at": 123456, "fetch_mode": "aggregate", "coverage_status": "complete_window"}},
                     "cross_source_correlations": [{"entity": "10.0.0.1", "entity_label": "host01 (10.0.0.1)"}],
                     "llm_assessment": {"enabled": True, "status": "cached", "text": "previous assessment"},
                 },
@@ -96,6 +96,8 @@ class MonitorTests(unittest.TestCase):
             self.assertEqual(mcp["raw_events_fetched"], 88)
             self.assertEqual(mcp["aggregate_events"], 1234)
             self.assertEqual(mcp["previous_status"], "connected")
+            self.assertGreater(mcp["poll_started_at"], 123456)
+            self.assertEqual(mcp["previous_poll_completed_at"], 123456)
             self.assertTrue(status["llm_assessment"]["enabled"])
             self.assertTrue(status["status_cache"]["served_from_cache"])