In December 2020, the severe maternal morbidity (SMM) rate in Arizona among people with hypertensive disorders of pregnancy was reported to be three times as high as the rate among people without hypertensive disorders of pregnancy. In April 2021, Arizona began implementing the AIM Severe Hypertension in Pregnancy Patient Safety Bundle with 32 of the state’s 42 birthing facilities. After bundle implementation, in participating facilities the percentage of pregnant and postpartum people with persistent severe hypertension who were treated within one hour increased by 38% between 2021 and 2023 (55% in April-June 2021 and 76% in October-December 2023). Among people with persistent severe hypertension who were not treated within one hour, the percentage who were debriefed by their care team increased from 11% to 57% between April-June 2021 and October-December 2023. Arizona continues to support facilities through learning sessions, data support, and opportunities to meet and discuss topics of interest such as health equity and quality improvement.