{"data":[{"id":407429,"tipo":"air_quality_forecast","titulo":"Previsión AQI · Martinsburg · PM2.5","valor":"50.0000","unidad":"AQI","estado":"active","observado_en":"2026-09-30T04:00:00+00:00","territorio":"Virginia Occidental","fuente":"EPA AirNow · agencias estatales, locales y tribales","url_fuente":"https://www.airnow.gov/"}],"meta":{"count":1,"generated_at":"2026-09-30T04:27:22+00:00","filters":{"kind":"air_quality_forecast","territory":"virginia-occidental-us-wv"}}}