Data sources

Source	Role	Notes
NASA FIRMS	Active fire hotspots (CSV by area)	Live requires FIRMS_MAP_KEY; bbox/day range configurable
OpenAQ v3	PM and related measurements	May require API key depending on access
U.S. Census TIGER/Line	County/tract boundaries	Downloaded by make db-bootstrap; multi-state optional
NWS	Wind observations; gridpoint forecast for grid weather	Bounded discovery via WIND_* / GRID_WEATHER_*
Synthetic minimal GeoJSON	CI/integration geography only	make db-bootstrap-minimal — not operational Census

Producer analytics.ingestion_runs rows must not store secrets in config JSONB.