Toxic haze in the North triggers lung risks: expert

Toxic haze in the North triggers lung risks: expert

A Chiang Mai respiratory specialist has warned that hazardous PM2.5 levels could trigger severe lung inflammation as extreme pollution linked to wildfires grips northern provinces.

Locals in Chiang Mai describe unprecedented haze choking daily life

After hours spent in the thick pollution-choking parts of northern Thailand, Pon Doikam gets home and blows her burning nose to find blood clots spattered across the tissue.

Chiang Mai doctor reports severe lung cases tied to PM2.5

Chiang Mai doctor reports severe lung cases tied to PM2.5LegacyA doctor at Chiang Mai University said on April 17 that PM2.5 and toxic smoke in northern Thailand were linked to two serious lung cases, including a 19 year old foreign tourist who required high-flow oxygen. PM2.5 levels in Chiang Mai remained at concerning levels yesterday with many areas covered by thick haze and reduced visibility. Officials have continued efforts to reduce pollu…

Chiang Mai Toxic Haze Raises Lung Risks As PM2.5 Worsens

April 2026 has brought one of the harshest Chiang Mai haze periods of the season. On April 4, PM2.5 reportedly spiked to 409 ug/m3 at Nakornping Hospital in Mae Rim, according to The Straits Times report on the April 4 pollution surge. That is far above the World Health Organization’s daily guideline of 15 ug/m3. […] The post Chiang Mai Toxic Haze Raises Lung Risks as PM2.5 Worsens first appeared on Chiang Rai Times.