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‘Dust Boy’ warns Chiang Mai air still ‘code red’

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‘Dust Boy’ warns Chiang Mai air still ‘code red’

By Chularat Saengpassa 
The Nation

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Monks walks through smog in Mae Hong Son’s Muang district yesterday to collect morning alms.

Mae Hong Son Opts for controlled burning ahead of ban.

WITH HAZE continuing to choke many northern provinces yesterday, Chiang Mai University’s mobile “Dust Boy” monitors measured “code-red” levels of PM2.5 in several areas of the country’s second city. Code red covers levels above 90 micrograms per cubic metre of the most dangerous airborne particles.

A Dust Boy monitor in Muang district’s Nong Pa Khrang recorded 135mcg of PM2.5 and an Air Quality Index (AQI) level of 245 – far above the safe limit of 100.

Chang Klan showed 97mcg of PM2.5 and an AQI of 207. Chiang Mai University in tambon Mae Hia reported 83mcg of PM2.5 and an AQI of 190.

Credit, Read more: http://www.nationmultimedia.com/detail/national/30364835

-- THE NATION 2019-02-27

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