diff --git a/CHANGELOG.md b/CHANGELOG.md
index e63d0039a11..524dcfacef2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,7 +13,8 @@ We use _breaking :warning:_ to mark changes that are not backward compatible (re
 ## Unreleased
 
 ### Added
--
+- [#4117](https://github.com/thanos-io/thanos/pull/4117) Mixin:  new alert ThanosReceiveTrafficBelowThreshold to flag if the ingestion average of the last hour is 50% of the ingestion average for the last 12 hours.
+
 ### Fixed
 -
 ### Changed
diff --git a/examples/alerts/alerts.md b/examples/alerts/alerts.md
index 98bfe8a6c55..5d1e044445a 100644
--- a/examples/alerts/alerts.md
+++ b/examples/alerts/alerts.md
@@ -562,6 +562,23 @@ rules:
   for: 3h
   labels:
     severity: critical
+- alert: ThanosReceiveTrafficBelowThreshold
+  annotations:
+    description: At Thanos Receive {{$labels.job}} in {{$labels.namespace}} , the
+      average 1-hr avg. metrics ingestion rate  is {{$value | humanize}}% of 12-hr
+      avg. ingestion rate.
+    runbook_url: https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivetrafficbelowthreshold
+    summary: Thanos Receive is experiencing low avg. 1-hr ingestion rate relative
+      to avg. 12-hr ingestion rate.
+  expr: |
+    (
+      avg by (job) (rate(http_requests_total{code=~"2..", job=~".*thanos-receive.*", handler="receive"}[1h]))
+    /
+      avg by (job) (rate(http_requests_total{code=~"2..", job=~".*thanos-receive.*", handler="receive"}[12h]))
+    ) * 100 < 50
+  for: 1h
+  labels:
+    severity: warning
 ```
 
 ## Replicate
diff --git a/examples/alerts/alerts.yaml b/examples/alerts/alerts.yaml
index 46c3cb07279..7a2a4d31bc7 100644
--- a/examples/alerts/alerts.yaml
+++ b/examples/alerts/alerts.yaml
@@ -282,6 +282,23 @@ groups:
     for: 3h
     labels:
       severity: critical
+  - alert: ThanosReceiveTrafficBelowThreshold
+    annotations:
+      description: At Thanos Receive {{$labels.job}} in {{$labels.namespace}} , the
+        average 1-hr avg. metrics ingestion rate  is {{$value | humanize}}% of 12-hr
+        avg. ingestion rate.
+      runbook_url: https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivetrafficbelowthreshold
+      summary: Thanos Receive is experiencing low avg. 1-hr ingestion rate relative
+        to avg. 12-hr ingestion rate.
+    expr: |
+      (
+        avg by (job) (rate(http_requests_total{code=~"2..", job=~".*thanos-receive.*", handler="receive"}[1h]))
+      /
+        avg by (job) (rate(http_requests_total{code=~"2..", job=~".*thanos-receive.*", handler="receive"}[12h]))
+      ) * 100 < 50
+    for: 1h
+    labels:
+      severity: warning
 - name: thanos-sidecar
   rules:
   - alert: ThanosSidecarPrometheusDown
diff --git a/mixin/alerts/receive.libsonnet b/mixin/alerts/receive.libsonnet
index d491be7536b..f9e48a24f27 100644
--- a/mixin/alerts/receive.libsonnet
+++ b/mixin/alerts/receive.libsonnet
@@ -3,6 +3,7 @@
   receive+:: {
     selector: error 'must provide selector for Thanos Receive alerts',
     httpErrorThreshold: 5,
+    ingestionThreshold: 50,
     forwardErrorThreshold: 20,
     refreshErrorThreshold: 0,
     p99LatencyThreshold: 10,
@@ -143,6 +144,24 @@
               severity: 'critical',
             },
           },
+          {
+            alert: 'ThanosReceiveTrafficBelowThreshold',
+            annotations: {
+              description: 'At Thanos Receive {{$labels.job}} in {{$labels.namespace}} , the average 1-hr avg. metrics ingestion rate  is {{$value | humanize}}% of 12-hr avg. ingestion rate.',
+              summary: 'Thanos Receive is experiencing low avg. 1-hr ingestion rate relative to avg. 12-hr ingestion rate.',
+            },
+            expr: |||
+              (
+                avg by (%(dimensions)s) (rate(http_requests_total{code=~"2..", %(selector)s, handler="receive"}[1h]))
+              /
+                avg by (%(dimensions)s) (rate(http_requests_total{code=~"2..", %(selector)s, handler="receive"}[12h]))
+              ) * 100 < %(ingestionThreshold)s
+            ||| % thanos.receive,
+            'for': '1h',
+            labels: {
+              severity: 'warning',
+            },
+          },
         ],
       },
     ],
diff --git a/mixin/runbook.md b/mixin/runbook.md
index d87c7bc2ca8..03f92aed716 100755
--- a/mixin/runbook.md
+++ b/mixin/runbook.md
@@ -63,6 +63,7 @@
 |ThanosReceiveHighHashringFileRefreshFailures|Thanos Receive is failing to refresh hasring file.|Thanos Receive {{$labels.job}} is failing to refresh hashring file, {{$value  humanize}} of attempts failed.|warning|[https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivehighhashringfilerefreshfailures](https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivehighhashringfilerefreshfailures)|
 |ThanosReceiveConfigReloadFailure|Thanos Receive has not been able to reload configuration.|Thanos Receive {{$labels.job}} has not been able to reload hashring configurations.|warning|[https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceiveconfigreloadfailure](https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceiveconfigreloadfailure)|
 |ThanosReceiveNoUpload|Thanos Receive has not uploaded latest data to object storage.|Thanos Receive {{$labels.instance}} has not uploaded latest data to object storage.|critical|[https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivenoupload](https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivenoupload)|
+|ThanosReceiveTrafficBelowThreshold|Thanos Receive is experiencing low avg. 1-hr ingestion rate relative to avg. 12-hr ingestion rate.|At Thanos Receive {{$labels.job}} in {{$labels.namespace}} , the average 1-hr avg. metrics ingestion rate  is {{$value  humanize}}% of 12-hr avg. ingestion rate.|warning|[https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivetrafficbelowthreshold](https://github.com/thanos-io/thanos/tree/main/mixin/runbook.md#alert-name-thanosreceivetrafficbelowthreshold)|
 
 ## thanos-rule