Haze Has Caused Hazardous Air Quality in Southeast Asia
Persistent fires across the region have driven air quality to dangerous levels throughout September.
Updated on Sept. 24, 2026 in Asthma
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Hazardous haze conditions have blanketed Southeast Asia, including Malaysia, as prolonged hot and dry weather triggered numerous fires. The poor air quality has caused widespread health concerns across the region.
Why it matters
The persistent haze creates significant public health challenges, as fine particulate matter can penetrate deep into human lungs and trigger respiratory distress.
Fine particulate matter known as PM2.5 is the primary pollutant currently compromising air quality. This substance remains a critical health metric as it penetrates deep into human lungs during periods of prolonged haze.
The details
Children face elevated risks during these episodes because they inhale more air relative to their body weight than adults, often while engaging in physical activity. The current atmospheric conditions have resulted in common health issues including coughing, nasal congestion, headaches, fatigue, and general breathing difficulties.
Timeline
September 2026: Region experiences ongoing haze and poor air quality.
Recent weeks: Regional air quality declined due to fires.
Health Landscape
This regional air pollution event reflects recurring seasonal environmental challenges that historically mirror the 2015 Southeast Asian haze crisis. These persistent atmospheric conditions continue to strain public health systems and increase respiratory risks for vulnerable populations.
Residents in affected areas should limit physical exertion outdoors to reduce the volume of fine particulate matter inhaled by the lungs. Those experiencing persistent coughing or breathing difficulties are advised to monitor their symptoms closely and seek medical guidance if conditions worsen.
The takeaway
Individuals should prioritize indoor activities and use air filtration systems when outdoor quality levels are poor. Protecting respiratory health during these haze events is essential for preventing long-term damage from particulate exposure.
Further reading
Learn more about managing respiratory health conditions during environmental crises on our Asthma page.
Source note: This article includes information reported by News.
Live Poll
Should local governments prioritize stronger air quality protections for children during haze events?
