CHIANG MAI, 19 March 2013 (NNT) – The haze problem in northern Chiang Mai Province continues but the situation are still under control, according to local health officials.

The smoke haze over Chiang Mai has reportedly thickened on Monday although the level of dust particles remained below the safety level.

But, Chiang Mai’s deputy head of public health, Dr. Surasing Visaruthrat, warned that even though the dust particles might appear non-harmful yet, the current condition still presents risks to people with respiratory problems.

Dr. Surasing has warned at-risk residents to avoid spending too much time outdoor and to keep their medicines handy.

Read more: NNT