{"success":true,"forecast":{"2026-11-09":6.6,"2026-11-10":6.4,"2026-11-11":6.3,"2026-11-12":6.4,"2026-11-13":6.5,"2026-11-14":6.6,"2026-11-15":6.7},"uncertainty_pm25":3.84,"method":"7-day baseline with damped 7-vs-previous-7 trend","confidence":"low","caveat":"Baseline projection only; it does not use a meteorological or chemical transport model."}