The World Health Organization (WHO) recommends that the annual average PM2.5 level should not exceed 10 micrograms per cubic meter (μg/m3), but Thailand’s average was 64 μg/m3 in 2022, more than six times higher than the WHO guideline.
This article was originally published here: Why is the air quality so bad in Thailand?
Read the rest of Why is the air quality so bad in Thailand? on Thailand Business News