List/search Arnfa's plannable areas across Thailand (Bangkok neighbourhoods & districts, all 76 province cities, tourist spots) with real POI counts. Use to find a valid area key.

Plan a weather-fit day in an area: the engine reranks real places by the forecast at each arrival time and returns an ordered itinerary. Real forecast only — never fabricated.

Current sky + a go-out verdict for an area (real forecast at its centre).

Rank WHERE the sky is clearest across Thailand for a chosen day — the 'ไปไหนดี / where should I go' view. One bulk real forecast, never fabricated.

Nearest OFFICIAL Bangkok cooling centers (ห้องหลบร้อน) to a point — for dangerous heat or PM2.5. Real กทม. open data.

Ask Arnfa AI in natural Thai or English — it reads the REAL sky and returns a weather-fit plan (the same grounded engine, narrated). For a follow-up that refines the last plan, pass back the intent from the previous reply as prior.