Why is there a heatwave in Southeast Asia?

A heatwave is impacting nations across Southeast Asia on April 4, 2024. The heatwave is attributed to a combination of factors, including human-induced climate change and the El Niño event. This phenomenon has led to unprecedented high temperatures across the region.

The Philippines, Indonesia, Thailand, Myanmar, Vietnam, and Malaysia are all experiencing exceptionally hot weather, leading to school closures, drought, and an increased risk of wildfires (1)(2)(3).

Which cities or areas are affected by the heatwave?

Minbu in central Myanmar, Hat Yai in southern Thailand, and Yên Châu in north-west Vietnam have recorded record-breaking temperatures.

Several cities and regions in Southeast Asia are directly affected by the ongoing heatwave. These include but are not limited to:

• Philippines: Eastern Visayas region, Luzon, Mindanao
• Indonesia: Nationwide, with significant impacts on rice production areas
• Thailand: Bangkok, Hat Yai, and coastal areas
• Myanmar: Central regions such as Minbu
• Vietnam: Yên Châu and surrounding areas
• Malaysia: Various regions are experiencing drought conditions

Additionally, wildfires may exacerbate the situation in affected regions, though specific locations may vary.

How long will the heatwave last?

There is currently no definitive end date projected, as an abatement to the heat will depend on factors such as weather patterns and mitigation efforts.

Are there any alerts in place?

Authorities have issued various alerts and advisories in response to the heatwave. These include school closings, health warnings cautioning against heat-related illnesses, and advisories on staying hydrated and avoiding prolonged exposure to the sun. Additionally, in areas where wildfires are prevalent, evacuation orders and emergency alerts may be issued to ensure the safety of residents and visitors.

How can I protect during a wildfire smoke?

Heatwaves can bring an increase in wildfires and smoke. Always plan ahead to protect yourself from wildfire smoke. 

• Get a free air quality app for real-time air quality alerts and forecasts.
• Shut doors and windows and set the HVAC to recirculate mode.
• Run a high-performance air purifier to filter wildfire smoke.
• Contribute to your community’s outdoor air quality data.
• Stay indoors; if you do need to go outdoors, wear a KN95/FFP2 mask.