# Possible incorrect evaluation of Synthetic Monitoring alert rules in cluster prod-us-east-3

- Provider: [Grafana Cloud](https://down.guide/grafana-cloud)
- Level: confirmed
- Impact: Degraded
- lasted 0m
- started 2026-10-21 07:10 UTC
- AWS US East - prod-us-east-3: API, AWS US East - prod-us-east-3: Public Probes
- us, us-east-3
- id: DWN-c20bb4432e
- Official page: https://stspg.io/3xcm1c985jpl

## Updates from Grafana Cloud
### 2026-10-21 07:10 UTC: resolved
As of 21 Oct, 06:20 am UTC, we became aware of an issue with possible incorrect evaluation of Synthetic Monitoring alert rules in cluster prod-us-east-3. 
The issue has been ended 07:00 am UTC

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