Chiang Mai Smog Wipes Out Half of Songkran Bookings

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- Thailand's northern provinces declared emergencies as wildfires drove pollution to crisis levels, with the Geo-Informatics and Space Technology Development Agency reporting 4,579 hotspots nationwide on Monday and IQAir ranking Chiang Mai among the world's top five most polluted cities.
- Tour operator Pitsamai Tuprit said half her customers cancelled ahead of Songkran, which began Monday, and she scrapped most holiday tours because 'it isn't worth it, with the traffic and gas prices.'
- Thailand's tourism authority revised its national international arrivals target down by as much as 18%, citing the combined pressure of pollution-driven cancellations and flight disruptions tied to the US-Israel war on Iran.
- Farmers in northern Thailand continue to burn fields post-harvest despite the practice being illegal, with Thailand Clean Air Network co-founder Weenarin Lulitanonda linking it to financial strain on farmers contracted to large agribusinesses who can't afford machinery.
- Dr. Atikun Limsukon, a chest and lung specialist running a private clinic, said his patient caseload more than doubled in recent weeks, with previously stable patients being readmitted and coughing up blood, and effects ranging from nosebleeds to corneal ulcers.
- Pathanika Poonchai's five-year-old daughter Aerin has suffered daily nosebleeds since the end of March, prompting the family to keep children indoors with air purifiers running and set aside money for annual seaside escapes from the haze.
- The Thailand Clean Air Network is pushing a Clean Air bill that would fine big polluters and channel revenue into a fund helping businesses transition to cleaner technologies, though it faces opposition from groups labeling it anti-business.
Why it matters: Thailand's biggest tourism week is being hit from two sides at once: wildfire-driven smog in Chiang Mai has halved Songkran bookings for some tour operators, while the Iran war has already forced an 18% cut to the national international arrivals target. The pollution is also a documented health emergency — a 5-year-old's daily nosebleeds, a lung specialist's doubled caseload, and the 2023 death of a 29-year-old doctor — turning a recurring seasonal problem into a crisis with concrete medical and economic costs.
