The smog returns to Bangkok

Poor air quality across Bangkok in the past week are not just caused by the PM2.5 dust. We can blame a ‘dust dome’ that is formed with low atmospheric pressure, dust and pollutants from the farmland waste burning, and greenhouse gases.

Natural Resources and Environment Minister Varawut Silpa-archa says that the pollutants come from “the improper disposal” of farming waste around Bangkok’s northern outskirts. He also asked provincial governors to ask farmers to avoid burring farm waste. If they refuse to cooperate, there might be an order to ban all outdoor burning activities in the future, while suggesting that farmers should sell their agricultural waste instead of burning it.

The mentioning of the agricultural sector being major contributors to Bangkok’s smog problems is a rare official recognition of the pollution ‘elephant in the room’.

People in Bangkok are also being encouraged to avoid outdoor activities and wear their masks when going outside to prevent both the pollutants and Covid-19. While “unhealthy level” of PM2.5 has been reported in many areas over the past week, the Department of Pollution Control is considering both short-term and long-term measures to tackle the air pollution problems.

Measures that have been rolled out include an extension of the work-from-home policy, lowering the price of low sulphur fuel in the capital and its vicinity, extensive monitoring of waste burning on farms, as well as offering higher prices for sugarcane products which were made in a sustainable manner.

For a long-term plan, the department is considering setting a new standard of air quality by lowering the “safe” threshold for PM2.5 exposure below the current level, but this is likely to happen in the next 5 years. Also, the government aims to apply the Euro-5 standard for vehicle emissions by 2024.

He also says that the pollution situation in Thailand has seen improvement after the measures were implemented. And, the number of days where [air quality] exceeded safe standards was less than 20% of the year.

SOURCE: Bangkok Post

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Air pollution in Bangkok is expected to get worse over the next few days as pollutants are getting trapped in the atmosphere thanks to a recent cold spell and a lack of wind to blow the haze away from the city. In response to the unhealthy air pollution, The PM’s Office permanent secretary says he has asked several ministries to step up efforts in combatting the PM2.5 micron ‘dust’ particulate that has blanketed the city.

He says that the issue has been contained so far due to Covid-19 measures which have made many people work from home.

“But vehicle exhaust fumes, construction sites and burning garbage in open areas is not helping.”

“To add to the problem, the cold spell is creating an “inversion layer” as meteorologists call it, which stops air below it from rising and trapping pollutants.”

As usual, Bangkok officials are looking to some of the smaller, localised traffic issues to blame, although the annual “smoke from the north” problem is the key and overriding issue regarding Bangkok’s smog problem months. The local traffic pollutants, whilst ever-present, don’t cause the skyline smog and haze for the rest of the year.

And when the Thais refer to a “cold spell” it usually means the ambient temperature has dropped to the low 20s. In other parts of the world that would be considered a heat wave!

The secretary says police and other officials are being asked to curb traffic build-ups at intersections as some had seen a sharp increase in dust pollution. Motorists are also being advised to take their cars for routine engine check-ups but some owners are refusing, saying their cars are new and not releasing black smoke. Public transportation vehicles are also being checked for emissions that could further add to the pollution issue in the country’s capital.

Meanwhile, PM Prayut has recently asked people to avoid large gatherings out of what he says is “concern” for their health after the recent cold spell from China hit the nation. But, more particularly, he pointed out political gatherings and has also asked everyone to adhere to social distancing and mask wearing to help curb the recent outbreak of Covid-19 that has swept the country in the past couple of months.

SOURCE: Bangkok Post

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59 areas in Bangkok are seeing excessive PM 2.5 dust ratings today as air quality is being described as moderate to poor. Din Daeng Road is being identified as the most polluted, according to the air4thai website of the Pollution Control Department. The amount of PM 2.5 dust is being measured at between 39 and 113 microns.

Din Daeng is also joining Bang Na-Trat highway in Bang Na district, Lat Phrao district and Sukhapibaan 5 Road in Sai Mai district in featuring PM10 dust in the atmosphere that is measuring between 54 and 155 microns.

Read more about Bangkok’s pollution today, and its causes, HERE.

The 59 areas that are considered polluted today are:

Hirunrujee sub-district, Thon Buri district

Kanchanapisek Road in Bang Khun Thian district

Bang Na sub-district

Song Khanong sub-district in Phra Pradaeng district

Din Daeng sub-district, Din Daeng district

Talat Kwan sub-district in Muang district of Nonthaburi

Omnoi sub-district in Krathumban district of Samut Sakhon

Paknam sub-district in Muang district of Samut Prakan

Bang Sao Thong sub-district

Khlong 1 sub-district in Khlong Luang district of Pathum Thani

Rama 4 Road in Pathumwan district

Intharapitak Road in Thon Buri district

Lat Phrao Road in Wang Thong Lang district

Din Daeng Road in Din Daeng district

Khlong Goom sub-district

Khlong Sam Wa district

Chom Thong district

Charunsanitwong Road in Bang Phlad district

Rama 2 Road in Bang Khun Thian district

Vibhavadi Rangsit highway in Din Daeng district

Sukhumvit Road in Phra Khanong district

Ratburana Road in Ratburana district

Rama 5 Road in Dusit district

Trimitr Road at Wongwian Odeon, Samphanthawong district

Rama 6 Road in Phya Thai district

Lat Phrao Road at Soi Lat Phrao 95 in Wang Thong Lang district

Rama 4 Road in front of Sam Yan Mitrtown, Pathumwan district

Narathiwat Road in Bang Rak district

Thung Wat Don sub-district

Rama 3-Charoen Krung Road in Bang Khor Laem district

Sukhumvit Road Soi 63 in Wattana district

Pattanakarn Road in Suan Luang district

Bang Na-Trat highway in Bang Na district

Pahonyothin Road at Kasetsart intersection, Chatuchak district

Don Mueang district

Sukhapibaan 5 Road in Sai Mai district

Nawamin Road in Bang Kapi district

Suan Sayam-Raminthra intersection in Kanna Yao district

Lat Krabang Road in Lat Krabang district

Seehaburanakit Road in Min Buri district

Liab Waree Road in Nong Chok district

Srinakharin Road in Prawet district

Ratchadapisek-Tha Phra Road in Thon Buri district

Charoen Nakhon Road in Khlong San district

Tha Phra intersection, Bangkok Yai district

Soi Nikhom Rodfai Thon Buri in Bangkok Noi district

Buddha Monthon 1 Road in Taling Chan district

Thawee Wattana Road in Thawee Wattana district

Aekkachai Road in Bang Bon district

Pracha-uthit Road in Thung Khru district

Samsen Road in Phra Nakhon district

Huay Khwang district

Khlong Toey sub-district

Ban Sue sub-district

Lat Phrao district

Thung Song Hong sub-district

Pahonyothin Road in Bang Khen district

Saphan Soong district

SOURCE: Thai PBS World

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