Chiang Mai PM 2.5 rises to 3rd in the world

Many northern provinces are still facing the problem of forest fires. Officials are mobilizing forces to put out the fires both on land and in the air. The forest fires are also causing PM 2.5 dust levels to continuously exceed the standard. In particular, Chiang Mai Province, which yesterday (April 1, 2015) was ranked the third most polluted major city in the world, after India and Nepal. สล็อต