The Bangkok Metropolitan Administration issues a warning about the "heat index" on 5 April 2026, stating it is at a dangerous level and advising people to monitor their symptoms and seek medical care immediately if they feel unwell.
On 5 April 2026, the Facebook pageof the Bangkok Air Quality Information Centerposted a heat index warning stating, "Heat Index alert for Sunday, 5 April 2026: The heat index is at a dangerous level."
It advises the general public to watch for symptoms, and at-risk individuals to see a doctor promptly if symptoms occur. Air quality reports can be followed at airbkk.com and via the AirBKK application."
Thanks to the Facebook page of the Bangkok Air Quality Information Center