Wehealth®

A community of epidemiologists, clinicians, behavioral health specialists, researchers, and public health professionals who co-develop the tools their communities rely on.

Wehealth® brings together public health departments, epidemiologists, behavioral health and maternal health experts, environmental health professionals, emergency managers, academic researchers, and community health organizations to co-develop PHapp® — and to shape how trusted health information reaches every community.

Wehealth®

ALERTS ISSUED

3353994

JAN 1 – DEC 31, 2025

COMMUNITIES SERVED

3432

COUNTIES, TERRITORIES, NATIONS

ACTIVE RISKS & HAZARDS

41

WEATHER, DISEASE, SAFETY, AND MORE

For the Public: Stay Informed with PHapp®.

PHapp® is the free nationwide public health and safety app that keeps people informed, prepared, and protected.

PHapp® is powered by communities, mission over profit, free and private, and built to deliver trusted official information in 50+ languages with clear next steps.

For the Public: Stay Informed with PHapp®.
For Public Agencies: PHapp® Is Free, and Built With You.

For Public Agencies: PHapp® Is Free, and Built With You.

PHapp® is co-developed by the Wehealth® community — public health departments, emergency managers, researchers, and partners who shape every release through the Forum.

That's why it works in the real world. Review PHapp for your community, promote it to residents with free multilingual materials, and access your agency portal for engagement stats and reporting — all free forever, no contract required.

Explore PHapp® by practice area.

Epidemiologist reviewing disease surveillance data

Communicable Disease & Epidemiology

Outbreak alerts, wastewater surveillance summaries, and respiratory illness trends — including measles, flu, and bird flu — framed for public communication.

Behavioral health professional with client

Behavioral Health & Substance Use

Overdose awareness alerts, opioid resource referrals, and stigma-aware messaging that reaches people in crisis through their preferred channel.

Maternal and child health professional

Maternal, Child & Family Health

Heat safety alerts for pregnant women, infant health guidance, WIC-relevant outreach, and multilingual family health resources in 50+ languages.

Community health worker in the field

Community Health & Chronic Disease

Multilingual outreach tools for CHWs reaching underserved populations, chronic disease guidance, and community-level engagement tracking.

Environmental health professional conducting field assessment

Environmental Health

Extreme heat alerts with cooling center maps, air quality advisories, environmental hazard notices, and NWS heat risk integration.

Community health worker connecting with residents

Health Equity & Community Engagement

Multilingual outreach in 50+ languages, community health worker tools, and trusted messaging for underserved and hard-to-reach populations.

Wehealth® Forum

An expert community where epidemiologists, behavioral health professionals, maternal and child health specialists, environmental health practitioners, public health leaders, and researchers shape the platform they use every day.

Forum members influence the product roadmap with direct access to wireframes and feature previews, collaborate across disciplines and institutions on research projects, and help define how PHapp® communicates — covering outbreak alerts, behavioral health resources, environmental advisories, maternal and child health guidance, and chronic disease support.

Wehealth® Forum
Join the National Preparedness Campaign.

Join the National Preparedness Campaign.

A year-round campaign for agencies across public health, behavioral health, environmental health, and emergency management.

Get ready-to-use multilingual materials covering the full range of hazards and health risks your community faces — extreme heat, disease outbreaks, overdose awareness, youth safety, and more — delivered through PHapp's free communication tools.

Find Opioid Use Disorder resources near you using PHapp | International Overdose Awareness Day

Each year, August 31st marks International Overdose Awareness Day (IOAD), the world's largest annual campaign to end...

AI for Preparedness at University of Arizona Public Health and AI Summer School

In an era where false information can spread faster than the facts, getting the right message to the right person at...

Heat Warnings Made Actionable: PHapp's Community Approach

When an extreme heat warning hits your phone, what happens next? For most people, it's just another notification to...

Frequently asked questions

Join the conversation.

The Wehealth® Forum is where epidemiologists, behavioral health specialists, public health leaders, and researchers help shape what PHapp® does next.