Bangkok 7th worst city in world for air quality

TheStar Tue, Feb 25, 2020 04:15pm - 4 years View Original


BANGKOK (The Nation/ANN): Bangkok’s air quality ranking took another hit, with the city being named the seventh worst in the world for air quality, while Chiang Mai was placed 10th, according to the application Air Visual today (Feb 25) as of 12.50pm.

The application showed the Thai capital’s average pollution level at 169 and Chiang Mai at 166.

Particulate matter less than 2.5 microns in diameter (PM2.5) in Bangkok and Chiang Mai were at 89.9 and 83.6 micrograms per cubic metre, respectively.

According to the Air Quality Index, air quality between 0 to 50 is healthy, 51 to 100 is moderate, 101 to 150 is unhealthy for sensitive groups, 151 to 200 is unhealthy, 201 to 300 is very unhealthy, and 301 to 500 is dangerous.

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