Bangkok PM2.5 remains within standard over Songkran period
SATURDAY, APRIL 11, 2026
PM2.5 levels across Bangkok are staying within the official limit during Songkran, with forecasts pointing to better air quality and generally good conditions ahead.
Chiang Mai tops world air pollution ranking as PM2.5 worsens further
TUESDAY, APRIL 07, 2026
Chiang Mai was ranked the world’s worst city for air quality on April 7 after AQI hit 209, as dense haze blanketed the city and health risks intensified.
Toxic dust crisis engulfs Chiang Mai as doctors warn of acute symptoms
FRIDAY, APRIL 03, 2026
Chiang Mai remained under choking haze for a 10th straight day, with red-level PM2.5 readings and health officials warning of both immediate and long-term risks.