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Air Pollution

Air purifiers installed at Victory Monument whilst southern winds blow the smoke north

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Air purifiers installed at Victory Monument whilst southern winds blow the smoke north | The Thaiger
GRAPHIC: The Air Visual feed indicates today's southern air flow is the reason for better city air - AirVisual.com
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The Nation reports that the Rajaprajanukron Foundation, under Royal Patronage, installed four air- purifiers yesterday around the Victory Monument area in a trial of their effectiveness in filtering out PM2.5 dust particles.

Silpasuay Raweesaengsoon, permanent secretary of the Bangkok Metropolitan Administration says the machines can purify polluted air at the rate of two cubic metres per second.

“Placed in areas with heavy traffics, they help reduce the level of pollution caused by vehicle emissions. The purifiers will be switched on daily from 5am to 12am, and 2pm to 8pm. If the air purifiers prove practical, they will be installed at bus stops, schools, and other busy places.”

The move, whilst audible, will do little to address the acute air pollution problems around the city. Most of the city’s smog comes from the burning off of plantations, mostly around the central Thailand farming regions, but also in the north and north-east. The data from the NASA satellites clearly show active fires in a real-time feed (also note the even more acute problem in Cambodia, whose smoke is also floating across into Thailand)

Air purifiers installed at Victory Monument whilst southern winds blow the smoke north | News by The Thaiger

Meanwhile the AirVisual feed this morning (below) indicates that the respite from severe air pollution today is due to the current southerly airflow out of the Gulf of Thailand. The evidence is clear that the problem in Bangkok is only when the winds are blowing the smoke from the plantation fires in the east and north towards the city. If the problem was the traffic and the factories, then Bangkok would still have poor air this morning, or right throughout the year, which it doesn’t. Bangkok’s air pollution problems are evidentially linked to the time of the year when the farmers light fires in pre or post harvest.

Air purifiers installed at Victory Monument whilst southern winds blow the smoke north | News by The Thaiger

Read our editorial about the denial of Thai authorities to embrace the data and continue focussing their blame on local city factors.

Meanwhile Thailand’s sugar industry is trying to take the lead in encouraging farmers of sugarcane to cur and harvest, rather than burn their sugarcane before harvesting. Read that story HERE.

SOURCE: The Nation

Air purifiers installed at Victory Monument whilst southern winds blow the smoke north | News by The Thaiger

The southern air stream at the top of the Gulf of Thailand has pushed much of today’s smoke back into central Thailand and the north – AirVisual.com

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Air Pollution

Air pollution in Bangkok expected to get worse due to “cold spell”

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Air pollution in Bangkok expected to get worse due to “cold spell” | The Thaiger

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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Air Pollution

59 areas see excessive PM 2.5 dust in Bangkok today

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59 areas see excessive PM 2.5 dust in Bangkok today | The Thaiger

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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Environment

Thailand on fire – NASA satellite website tracks the country’s farm fires

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Thailand on fire – NASA satellite website tracks the country’s farm fires | The Thaiger

Thailand is burning. The burning off of harvested crop plantations is lighting up the agricultural areas. The truth is starkly revealed in the live NASA satellite feeds which track the fires around the world.

Thailand on fire - NASA satellite website tracks the country's farm fires | News by The Thaiger

CHART: Fires in the past 10 days around parts of Thailand – Firms.Modaps

Concentrations of the current fires can be seen in Central Thailand, north of Bangkok, parts of Isaan, north east of Bangkok, and around Chiang Mai in Northern Thailand. Notably the concentration of fires in northern Cambodia and across the north-western border in Myanmar, is also causing plenty of problems as the foreign smoke drifts across the borders. No matter what Thai officials do to enforce the rice, sugar and corn plantation burn-offs, there is little they can do about the haze drifting across the borders.

Bangkok, so close to clusters of fires, is in for a bad air pollution day anytime the light winds of the start of the year blow from the north or the east. The lack of rain adds to the problem, the annual problem, that engulfs Thailand’s capital during days between December and April, with the worst month, statistically, being March.

The alternative method of preparing for the next harvest, mechanical removal of the refuse and waste after harvesting, is both unpopular in Thailand and economically unviable for the small farmers whose margins remain thin with the multi-national buyers of their produce pushing for lower and lower prices every year.

In Chiang Mai, from January to the end of March, the locals even call it the ‘burning season’. Coupled with the hot season, the farmers in northern Thailand burn their fields to prepare land for the next harvest and also to get rid of biowastes like corn that can’t be sold in the market. It’s officially illegal to do the burn offs but the lack of enforcement leaves the problem unresolved and the smog and haze remain as predictable as the annual wet season.

Chiang Mai also has a local geographic problem which exacerbates the bad smoke pollution. The city is in a valley, surrounded by hills, trapping in the smoke and helping block any breezes that could otherwise blow it away.

For today, Bangkok’s air pollution is better than the past two days but still registering as ‘unhealthy for sensitive groups’ with city readings mostly between 140 – 170. Parts of the city, mostly south-east and south west, were registering readings above 300 in the past few days.

Thailand on fire - NASA satellite website tracks the country's farm fires | News by The Thaiger

SOURCE: IQair.com

Watch this video for some more information about Bangkok’s smog…

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