Every dataset this publication draws on, who publishes it, and the licence it is used under.
| Dataset | Licence | Updated |
|---|
Active watches, warnings and advisories NOAA / National Weather Service | US Government work — public domain (17 U.S.C. §105) | live |
Point forecast NOAA / National Weather Service | US Government work — public domain (17 U.S.C. §105) | live |
Federal disaster declarations FEMA (OpenFEMA) | US Government work — public domain | daily |
Airport ground stops and delay programmes FAA | US Government work — public domain | live |
Public school directory US Dept of Education, NCES Common Core of Data (via Urban Institute Education Data API) | US Government work — public domain; API provided by the Urban Institute | periodic |
Federally funded health centre sites HRSA — Health Resources & Services Administration | US Government work — public domain; HRSA states no usage limitations | periodic |
Air quality index by reporting area US EPA / AirNow (state and local monitoring agencies) | US Government work — public domain; readings supplied by state/local agencies | live |
Census place centroids and identifiers US Census Bureau (2025 Gazetteer) | US Government work — public domain | periodic |