Datacenter region
Microsoft Azure West US 3 (Arizona)
westus3 · 33.45, -112.07
No open incident names Microsoft Azure westus3 as affected in official updates.
This page covers incidents whose official updates name this region as affected. It is not a citywide status report, and the overall Microsoft Azure status does not tell whether this region works normally.
No stored incident names Microsoft Azure westus3 as affected. Incidents without a region in their official updates and incidents at other providers are not included here.
About this region
westus3 is Microsoft Azure's code for West US 3 (Arizona). Other providers may operate in the same area under different region codes. Problems with shared cloud infrastructure can affect apps hosted there, but a report about one provider does not establish a problem at another.
Physically located in United States of America. See all outages in United States of America for the full country view.
FAQ - Microsoft Azure westus3
What is the westus3 region?
westus3 is Microsoft Azure's code for West US 3 (Arizona), a cloud datacenter region in United States of America. Other cloud providers use different region codes, even in the same city.
Is Microsoft Azure westus3 having problems right now?
No open incident names Microsoft Azure westus3 as affected in official updates. This does not confirm normal operation, and does not describe other providers in the same city.
Why do unrelated apps fail when one region goes down?
Many SaaS products host their backend infrastructure in shared cloud regions. A single region outage can cascade across hundreds of apps that look unrelated to end users.
Where can I find the official Microsoft Azure status page?
Check Azure status for official region updates. GlobalOutageMap is an independent signal aggregator, not the provider's status authority.