Experiencing System Outages
Please note: Due to storm impacts on systems at NOAA's National Centers for Environmental Information in Asheville, NC, certain maps and statistics on Drought.gov may be experiencing issues. We apologize for any inconvenience at this time. Read more.
Centers for Disease Control and Prevention (CDC)
AirNow is a one-stop source for air quality data, including current and forecast air quality maps and data for more than 500 cities across the U.S., as well as Canada and Mexico.
CDC's Social Vulnerability Index uses 15 census variables at tract level to help local officials identify communities that may need support in preparing for hazards or recovering from disaster
The National Environmental Public Health Tracking Network brings together data on environments and hazards, health effects, and population health from national, state,