Recently, many of my friends based in Thailand have been complaining that the weather in Thailand has turned gray and the reason is not just fog or rain, but plutonium. The main component for the grayish covering is PM2.5 ( particles less than 2.5 microns in diameter).
The PM2.5 content per cubic meter of air is less than 50 micrograms. Normally, many areas in Thailand have exceeded the standard recently, and surprisingly, some places have surpassed dangerous levels. For example, the most recently measured PM2.5 content is Samut Prakan Province (province), up to 304 μg/m3
What is the concept of 304 μg/m3? Let's take a look at a few levels to make it clear.
Within 50 μg/m3: normal
51-100 micrograms / cubic meter: people with allergies try to reduce their exit
101-150 μg/m3: the nose, throat and other organs will itch
151-200 μg/m3: the body starts to feel unwell
201-300 μg/m3: time to avoid outing activities
301-500 μg/m3: dangerous for the human body
The highest values of PM2.5 measured are 179 μg/m3 in Long Tsai, 170 in Rayong, 163 in Bangkok, 138 in Chonburi, and 125 in Chiang Rai, Chiang Mai Fu 124, Bei Biao Fu 115, Ba Zhen Fu 110, Kanchanaburi 107.
Therefore, many Thais and foreign friends felt that the air pollution in Thailand was so serious for the first time, and everyone is dressed up to protect themselves, and even many models of masks were sold out.
Even dogs were seen with their masks on.
The relevant government departments have also taken emergency measures, including water spray, cleaning roads, artificial rainfall, etc., to bring down the toxic components in the air. In addition, Bangkok will be preparing to replace the diesel used in 2,075 buses with the aim of reducing emissions of toxic PM2.5.