Chiang Mai’s smog crisis threatens to smother Songkran celebrations and hurt Thai tourism industry

Thailand’s Songkran festival, marking the traditional New Year, is just weeks away but celebrations in Chiang Mai may be muted as the northern city confronts its worst ever smog crisis.Widespread open burning and “man-made” forest fires for agricultural purposes along Thailand’s western and northern borders and in the neighbouring countries of Myanmar and Laos have left the city and other nearby provinces blanketed in a dim orange haze.On Tuesday afternoon, Chiang Mai’s air quality index…