BANGKOK, 10 March 2014 (NNT) – The Pollution Control Department has warned six northern provinces of continued smog and its tendency to increase after more hot spots occurred.
Director-General of the Pollution Control Department Wichian Chungrungrueng on Monday reported the results of air quality tests in the northern region, saying that an PM10 level in the area was 17-157 micrograms/cubic meter and the overall air quality was in the good to unhealthy for sensitive groups range. The level of particulate matter was not changed much from the previous day especially in Phayao and Nan provinces where a dust level was measured at 157 micrograms/cubic meter. Lampang province had 145 micrograms/cubic meter, followed by Phrae and Mae Sai district in Chiang Rai, said the official.
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