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Bangkok PM2.5 update: several districts exceed safe levels
SATURDAY, JANUARY 17, 2026
PM2.5 levels remain above the safe standard on Jan 17 in Bangkok, with several districts at health-impact levels, according to the city’s air quality centre
PM2.5 returns; Bangkok and vicinity to face higher levels December 24–26
TUESDAY, DECEMBER 23, 2025
Thailand’s air-pollution centre says PM2.5 exceeded standards in 5 Bangkok-vicinity areas on December 23, 2025, with levels likely to rise December 24–26
Chiang Mai ranked 5th among global cities with worst air quality Monday
MONDAY, MARCH 31, 2025
Chiang Mai ranked fifth among global cities with the worst air quality on Monday, recording an AQI of 166, while Lampang and Mae Hong Son had even higher levels.
Phetchabun has worst air quality on Sunday morning
SUNDAY, MARCH 02, 2025
Phetchabun recorded the worst air quality in Thailand on Sunday morning, according to IQAir, with an AQI of 145. Other provinces also faced poor air conditions. By 11 am, AQI rankings shifted, with Khon Kaen topping the list.
Chiang Mai air quality the third worst among major world cities
SUNDAY, MARCH 17, 2024
Chiang Mai was ranked the third worst city in the world for air quality on Sunday morning, the website of an international firm monitoring air quality reported.
Air pollution in Delhi close to maximum level possible; GRAP-III in effect
SATURDAY, NOVEMBER 04, 2023
With Delhi blanketed by a thick layer of toxic haze air pollution reached the near-maximum level possible in the city on Friday with the Air Quality Index (AQI) recorded at 470.
Targeted by petition, Chiang Mai governor unveils fresh measures to tackle pollution
SUNDAY, MARCH 24, 2019
CHIANG MAI Governor Supachai Iamsuwan, embattled over a failure to curb smog that has kept his province’s capital on top of the list of the world’s most polluted cities, announced five measures yesterday to tackle forest fires and cropland burning.