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Northern hotspots top 2,100 as PM2.5 exceeds limits in every province

April 16, 2026

More than 2,100 hotspots were detected across 17 northern provinces on April 16, as PM2.5 levels remained above safety standards throughout the region.

AEROTHAI tightens northern air traffic control amid PM2.5 crisis

April 09, 2026

AEROTHAI says flights in Thailand’s upper North remain safe despite worsening haze and PM2.5, while air traffic measures are stepped up to support relief operations.

The right to breathe: severe air pollution, the unseen culprit

WEDNESDAY, APRIL 10, 2024

Every year after the rainy season, the cool weather brings another culprit that steals the livelihood and health of many locals living in Chiang Mai and ethnic groups living in the mountains: severe air pollution known as PM2.5, a measure of particulate matter.

Northern haze ‘must be on national agenda’

THURSDAY, MARCH 14, 2019

CALLS FOR the government to make tackling the problem of serious air pollution part of the national agenda are getting louder.

Northern haze results in flight cancellations

SATURDAY, MARCH 26, 2016

NORTHERN SMOG has affected aviation services in Mae Hong Son province, resulting in Kan Air cancelling its two morning flights between Chiang Mai and the province since March 19.

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Northern hotspots top 2,100 as PM2.5 exceeds limits in every province

AEROTHAI tightens northern air traffic control amid PM2.5 crisis

The right to breathe: severe air pollution, the unseen culprit

Northern haze ‘must be on national agenda’

Northern haze results in flight cancellations