BangkokPost-Dec 15

The air quality index (AQI) in Bangkok soared to an unsafe 190 on Tuesday morning, ranking the capital third in the world’s worst air pollution list.

AirVisual reported that particulate matter 2.5 micrometers in diameter or less (PM2.5) was measured at 57.8 micrograms per cubic meter (mcg/cm) of air over the past 24 hours. The safe AQI threshold is 100, and 190 is in the range of unsafe for health.

Read more at: https://www.bangkokpost.com/thailand/general/2035683/bangkok-air-worlds-3rd-worst