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Haze hits Bangkok

BANGKOK: The hazardous ultra-fine dust that has been sweeping through 20 districts of Bangkok will last for a few days, City Hall’s Environment Department warned yesterday (Dec 21).

By Bangkok Post

Saturday 22 December 2018, 10:03AM

Pedestrians wear masks to filter pollution after the Pollution Control Department warned that levels of PM2.5 dust particles exceed the safety limits in many areas of Bangkok and neighbouring provinces. Photo: Pattarapong Chatpattarasill / Bangkok Post

Pedestrians wear masks to filter pollution after the Pollution Control Department warned that levels of PM2.5 dust particles exceed the safety limits in many areas of Bangkok and neighbouring provinces. Photo: Pattarapong Chatpattarasill / Bangkok Post

The warning corresponded with dust levels measured by the Pollution Control Department (PCD) which started issuing alerts on Thursday.

With a size of up to 2.5 micrometres in diameter, the airborne particulate matter (PM) can easily lodge in the lungs.

Normal face masks do not work effectively, as PM is smaller than the width of a single human hair. Instead, a KN95 mask is required.

“People should not panic,” PCD director-general Pralong Damrongthai said, even though the PCD yesterday measured levels of PM2.5 at between 65 and 103 microgrammes per cubic metre (µcg) in its 24 dust measurement stations across the capital. The acceptable standard is 50µcg.

People at severe risk include children, the elderly, pregnant women and persons with congenital diseases, he said.

“The situation is expected to return to normal within two or three days,” Mr Pralong said, urging Bangkok residents to follow the department’s air quality update via the Air4Thai mobile application.

However, Bangkok Governor Pol Gen Aswin Kwanmuang warned people in risk areas against outdoor activities. If going outside is necessary, face masks are essential, he said.

Pol Gen Aswin twice posted warnings on his Facebook page yesterday to provide updates on the situation, telling his followers the cause of the problem and what the city has done to solve it.

“I’ve ordered the Environment Department and 50 districts to look into and solve the problem immediately,” he wrote in his second post.

City workers will spray water to clean roads more frequently, the governor said. Other measures include a ban on parking cars on main streets and impounding vehicles which emit black fumes.

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Many roads in the 20 dust-hit areas sparked fresh concerns among city officials yesterday after PM2.5 levels exceeded the safe limit.

The areas include the Royal Jubilee Gate near Bangkok’s China Town, Chamchuri Square near congested Rama IV Road and a bus top near the Mahai Sawan Intersection where the Somdet Phrachao Taksin and Ratchadaphisek roads cross on the western side of the Chao Phraya River.

Other areas prone to pollutants are mainly the compounds of district offices, including Phra Nakhon, Klong Toey and Bang Sue.

Governor Aswin blamed vehicle emissions, construction of mass transit systems, condominiums and weather conditions for bringing the pollutants.

“We have to admit the truth,” Gen Aswin said.

The PCD described the current weather situation in Bangkok as “closed and stagnant”, which has caused PM2.5 to accumulate in the air.

According to Mr Pralong, the dust was not only detected along streets, but his department also measured harmful amounts in what he called “general areas”, with a maximum level of 96µcg.


Read original story here.



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Rorri_2 | 01 January 2019 - 14:26:15

J12, my comment was in reply to dek's..., you are having a real problem understanding things... the old grey matter must be seriously depleted. Follow the whole story, not just parts of it.

Jor12 | 31 December 2018 - 08:41:17

LOL...RDD2 cant' work out that he introduced "toxic" into the equation.  Anyway, who really cares... the air quality is bad for your health.

Timothy | 30 December 2018 - 09:15:55

Rorri_2 | 29 December 2018 - 21:36:36

D.. you naughty little boy, now you are changing the subject, there was NO mention of "toxic," we commented on "haze" and "smog," a "toxic" haze is not plain haze.

DeKaaskopp | 28 December 2018 - 16:59:09

And where is the term "Toxic haze"coming from ?

Rorri_2 | 28 December 2018 - 06:47:19

D.. in fact there is a very big difference between "haze" and "smog"... smog is made from TOXIC particulates, where as haze is NOT.

DeKaaskopp | 27 December 2018 - 15:57:11

Ooohhh, "Haze" has nothing to do with severe air pollution according to our world class expert. That's something new.I thought dense haze=smog...

Kurt | 27 December 2018 - 06:12:57

Oh, and it is not HAZE, it is SMOG!  Smog is severe air pollution, Haze is not!

Nasa12 | 23 December 2018 - 08:08:34

Great advertising for TAT 

Xonax | 22 December 2018 - 11:13:31

"impounding vehicles which emit black fumes"

That will probably be around 10% of the cars in Bangkok.

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