By The Nation
The application ‘Air Visual’ showed the Thai capital’s average pollution level at 85. The air situation is much worse in Chiang Mai, with average pollution level of 164, worse than yesterday.
Particulate matter less than 2.5 microns in diameter (PM2.5) in Bangkok and Chiang Mai was at 28.6 and 81.8 micrograms per cubic metre respectively.
According to the Air Quality Index (AQI), 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.
Meanwhile, the Pollution Control Department informed via the website Air4thai.pcd.go.th that at 7am on Sunday the air quality in Bangkok and nearby provinces was at moderate to unhealthy levels. PM2.5 dust particles were at between 47 to 81 micrograms per cubic metre.
The areas with high pollution levels were: Bangkhuntian, Bangkapi, Pathumwan, Lat Phrao, Din Daeng, Phya Thai, Wangthonglang, as well as Nakhon Pathom, Pathum Thani and Samut Prakarn provinces.
The PM2.5 situation is predicted to worsen in most areas on Monday with an average increase by 2-8mcg.