Smoke Shrouds Northern Thailand – NASA Science0

• Air Quality, Earth Observatory, Human Dimensions, SCIENCE, Terra, Wildfires
• April 23, 2026

Chiang Mai, Thailand’s second-largest city, lies within a network of narrow valleys in the country’s northern highlands. Though the historic city is known for panoramic views of the surrounding mountains, clear skies have become less common. In recent decades, smoke has increasingly darkened the skies during the dry season, particularly in March and April. A