BANGKOK, Oct 25 (The Nation Thailand/ANN): The Air Visual application reported on Sunday that Bangkok’s air pollution level according to the US Air Quality Index (AQI) standard stood at 108, with the level of particulate matter less than 2.5 micrograms in diametre (PM2.5) at 38mcg per cubic metre (µg/m3), placing it at 16th on the list of cities with the worst air in the world.
AQI is a standard that indicates the quality of air and level of pollution. Level 0-50 means good air quality, 51-100 is moderate quality, 101-105 will start affecting sensitive groups, 151-200 is slightly harmful to health, 201-300 is highly harmful and 301-500 is extremely dangerous.