Smog levels start to climb in Chiang Mai, Chiang Rai
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THE AMOUNT of small particulate matter of up to 10 microns in diameter (PM10) in Chiang Mai and Chiang Rai provinces has gone beyond safety levels for two consecutive days, while PM10 readings in other provinces in the North remained within the safe level
The Pollution Control Department (PCD) Wednesday said the Chiang Mai smog situation PM10 readings averaging at 63-68 micrograms has not had a negative effect on local peoples’ health, even though yesterday’s readings peaked at 149 micrograms in Chiang Dao district following a reading of 184 micrograms on Tuesday.
The PCD admitted that the smog might affect visibility slightly as the tips of Doi Suthep and Doi Kham are not clear, while Chiang Mai Airport is partially covered.
