CHIANG MAI, March 9 (TNA) — Many provinces in the northern region were still affected by high PM2.5 air pollution for three days in a row on Friday.

Chiang Mai Ranked Top 10 Most Polluted Cities

Some areas the PM2.5 particulate matter level surpassed 800 micrograms per cubic meter. Chiang Mai was ranked as the most polluted city globally for many hours and the pullution has started to have health impact against the people.

Full story: tna.mcot.net

TNA