Where our data comes from

Every dataset this publication draws on, who publishes it, and the licence it is used under.

DatasetLicenceUpdated
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 domaindaily
Airport ground stops and delay programmes
FAA
US Government work — public domainlive
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 Instituteperiodic
Federally funded health centre sites
HRSA — Health Resources & Services Administration
US Government work — public domain; HRSA states no usage limitationsperiodic
Air quality index by reporting area
US EPA / AirNow (state and local monitoring agencies)
US Government work — public domain; readings supplied by state/local agencieslive
Census place centroids and identifiers
US Census Bureau (2025 Gazetteer)
US Government work — public domainperiodic

Not available here

How we handle it

Something wrong? Email editor@nexcom.media and tell us the page.

More from Los Angeles

Local guides, business directory, and how to reach our readers.

Los Angeles GuideComplete Los Angeles GuideDemographics, schools, things to doBest ofBest Restaurants in Los AngelesCurated picksBest ofBest Breakfast in Los AngelesMorning favoritesBest ofBest Parks in Los AngelesOutdoor picksBest ofFamily-Friendly SpotsFun for all agesNetworkAbout Nexcom MediaAbout our publisher