The Environment Office of Bangkok Metropolitan Administration (BMA) warns the "heat index" on 20 April 2026 is at a "dangerous" level They advise monitoring your symptoms and seeking medical care immediately if any abnormalities occur.
On 20 April 2026, the Facebook pageof the Environment Office, BMA,posted a heat index warning stating, "Heat Index alert for Tuesday, 20 April 2026: The heat index is at a dangerous level.
For the general public, monitor your symptoms. At-risk groups should see a doctor promptly if symptoms arise. Air quality reports can be followed on the website airbkk.com and the AirBKK application."
Thanks to the Facebook page of the Environment Office, BMA