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Unusually high air pollution reading in Chiang Mai’s Chiang Dao district caused by damaged sensor

Unusually high air pollution reading in Chiang Mai’s Chiang Dao district caused by damaged sensor

14 Sept 10:54 Key points summarised by AI
  • A faulty air pollution sensor in Chiang Mai's Chiang Dao district erroneously reported an alarming PM2.5 level of 1,358ppm, causing concern among residents.
  • Officials quickly clarified that the actual reading was a safe 9.4ppm, confirming the error stemmed from a damaged, unmaintained university-owned sensor that continued to feed incorrect data to the IQAir platform.
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