Smoke Haze in Chiang Rai Poses a Serious Health Threat

Smoke Haze in Chiang Rai Poses a Serious Health Threat

CHIANG RAI – People in seven northern provinces have been warned by provincial health offices to avoid outdoor exercising due to high level of pollutants in the air as a result of smoke haze. Smoke haze which has been covering Chiang Mai, Chiang Rai, Nan, Phayao, Phrae, Lampang and Mae Hong Son provinces for the […]