
Residents of Chiang Mai are voicing growing concern as thick smog blankets the northern Thai city, raising fears about the health of children and vulnerable groups. Parents say the pollution has become so severe that even routine activities are risky. One mother described her six-year-old suffering frequent nosebleeds, a symptom doctors warn can be linked to prolonged exposure to poor air quality.
The haze, driven by seasonal agricultural burning and industrial emissions, has pushed Chiang Mai’s air quality index to hazardous levels in recent weeks. International monitoring groups rank the city among the worst in the world for pollution, a stark contrast to its reputation as a tourist destination known for temples and mountain views. Hospitals report an uptick in patients with respiratory issues, including asthma flare-ups and chronic coughing.
Local authorities have urged residents to stay indoors, wear protective masks, and limit outdoor exercise. Schools have been advised to reduce outdoor activities, though parents argue that these measures are not enough. “We can’t keep our children locked inside forever,” one father said, adding that families feel trapped between health risks and daily routines.
The crisis has also drawn attention from international health experts, who warn that prolonged exposure to fine particulate matter can lead to long-term complications such as heart disease and reduced lung function. The World Health Organization has repeatedly stressed that Southeast Asia’s reliance on crop burning contributes to recurring pollution spikes, and Chiang Mai is now a case study in the human toll of such practices.
Tourism operators worry the smog will deter visitors, with some hotels reporting cancellations. “Guests come here for fresh air and nature, but instead they find smoke,” said a local tour guide. The economic impact is expected to ripple through small businesses that depend on seasonal travelers, compounding the health crisis with financial strain.
As residents call for stronger government action, environmental groups are pressing for regional cooperation to curb cross-border haze. For families in Chiang Mai, however, the issue remains immediate and personal. “We just want our children to breathe safely,” said the mother of the six-year-old boy, her voice breaking. “That should not be too much to ask.”





















