return icon Vietnamnet.vn

Meteorologists debate cause of fog in HCM City

Meteorologists are debating the cause of the thick fog that has blanketed HCM City and some southern provinces in recent days, which has triggered concerns of residents about worsening air quality.

 

{keywords}
Thick haze shrouds downtown HCM City early Tuesday morning. VNS Photo Gia Loc

 

Smog has covered a wide area of the city, especially in the area adjacent to the Sai Gon River of Binh Thanh, District 1 and 2, since early Saturday morning.

Poor visibility was reported as buildings could not be clearly seen from further than 100 metres at 10am.

The air quality index (AQI) was measured between 111 and 153 on September 20-22 by AirVisual, levels which have bad impacts on human health.

The AQI measured 128 and 132 on September 23 and 24 respectively. Southern provinces such as Binh Thuan and Ca Mau reportedly suffered the same situation.

Ho Quoc Bang, head of the air pollution and climate change office at the HCM City National University’s Institute for Environment and Natural Resources, said the office has applied an air quality model with a simulation of how air pollutants disperse and react in the atmosphere to trace the cause of the foggy weather.

The results showed the fog was mainly caused by forest fires in Indonesia.

On September 18, widespread fires engulfed Indonesia’s forests, spewing toxic haze across the region, including HCM City. Thus, the city’s air quality index (AQI) was alarmingly high on Friday, September 20.

Four days later, the AQI remained high.

Other elements, including high humidity, the tropical convergence zone caused by low daytime temperatures stopping pollutants rising, and emissions from people’s everyday activities, also contributed to the thick fog.

However, Le Dinh Quyet, deputy head of Centre of Hydrological Forecasting for the southern region, told Vietnam News Agency there was not enough evidence to claim the forest fires in Indonesia were to blame.

From a meteorology perspective, he said high humidity measuring between 95 and 100 per cent, low daily temperatures and heavy rainfall had caused the haze.

He suggested an environmental agency measure dust levels in the air and assess its health impacts.

Deputy director of the Viet Nam Environment Administration Nguyen Hung Thinh said more reliable evidence was needed to determine the impact of Indonesia’s forest fires on the city’s smog.

The sudden change of weather from hot to cold due to cold spells would lead to a change of humidity, causing fine dust pollution.

Le Quynh Huong, resident in District 2’s Tran Nao Road, said she could see a thick fog surrounded her apartment building.

Huong and many people could not help but worry about air pollution.

"The environment is becoming more and more abnormal. We expect functional forces to soon announce the cause of the air pollution and assess its health impacts,” she said.

Air pollution in big cities

Hanoi and HCM City are being affected by the northeast monsoon, which has caused weather phenomena of air pollution and seriously affected human health, the Viet Nam Environment Administration has said.

The recent concentration of fine dust has reportedly increased dramatically and the AQI was measured high by many air quality monitors.

In Hanoi, the AQI level was at 150-170 on September 15-16. The level was 128 and 132 in HCM City on September 23 and 24. Outdoor exercise should be limited for children and people with respiratory problems.

According to the Ministry of Natural Resouces and Environment, several measures needed to be implemented to reduce air pollution in big cities.

Public transport should be used instead of personal vehicles, solutions to restrict vehicles to operate in the inner city should be studied and the production and use of eco-friendly means of transport should be promoted.

It was necessary to relocate industrial businesses from the inner city to industrial parks in suburban areas and minimise waste produced by construction activities.
In addition, it is important to inspect vehicles that cause air pollutants.

A comprehensive system of equipment and software for modelling air quality should be employed to improve the monitoring capacity, it said.

Worsening air pollution leaves Hanoi residents worried

Worsening air pollution leaves Hanoi residents worried

Concerns are growing among residents across Hanoi regarding the poor quality of air that the city has been experiencing over the past few days.

Hanoi air quality continues worsening

Hanoi air quality continues worsening

Statistics on September 15 showed that the air in Hanoi with PM2.5 Particles pollution had worsened.

VNS

MORE NEWS

Challenges ahead for Vietnam this year

“Pressure”, “increased difficulties” and “high risks and challenges”: these are the words used by the Minister of Planning and Investment to describe how hard it will be to fulfill Vietnam’s growth goals this year.

Some industries lack orders, others cannot take more

While woodwork companies are lacking new export orders amid high inflation in the US and Europe, food-processing companies are not receiving new orders because of rising input material prices.

Wholesale and retail sectors lead in new foreign investment approvals

The wholesale and retail industries took the lead in new foreign-invested projects in the January-September period, according to the Ministry of Planning and Investment.

Vietnam cracks down on IUU fishing ahead of EC inspectors’ visit

Deputy Prime Minister Le Van Thanh has ordered strengthening inspections to ward off illegal, unreported and unregulated (IUU) fishing as European Commission (EC) inspectors are coming to Vietnam in October.

Phuoc Thinh to represent Vietnam at Mister Tourism World 2022

Vietnamese model Phung Phuoc Thinh is set to compete for a title at Mister Tourism World 2022 due to take place in the Philippines this December.

Vietnam, Kazakhstan to open direct flights in October 2022

The Civil Aviation Committee of Kazakhstan has officially licensed Vietjet Air to launch direct flights between Vietnam and Kazakhstan.

Vietnam among seven economic wonders of worried world: Financial Times

A writing published by the London-based Financial Times on September 26 described Vietnam as one of the seven economic wonders of a worried world.

UNICEF vows to support Vietnam in response to Typhoon Noru

UNICEF Vietnam expressed its concern over children and families in the country vulnerable to Typhoon Noru, saying it stands ready to support the Government of Vietnam in responding to the most powerful storm to hit Vietnam in 20 years.

President Nguyen Xuan Phuc attends state funeral of late Japanese Prime Minister

Politburo member and President Nguyen Xuan Phuc led the Vietnamese delegation to attend the state funeral of late Japanese Prime Minister Abe Shinzo in Tokyo on September 27.

President meets foreign leaders attending state funeral of late Japanese PM

President Nguyen Xuan Phuc held bilateral meetings with some foreign leaders attending the state funeral of late Japanese Prime Minister Abe Shinzo in Tokyo on September 27.

Assistant Deputy PM prosecuted for allegedly taking bribes

Criminal proceedings were launched against Nguyen Quang Linh, Assistant Standing Deputy Prime Minister Pham Binh Minh, on September 27 for allegedly taking bribes in the scandal related to COVID-19 repatriation flights.

VIETNAM NEWS HEADLINES SEPTEMBER 27

Noru heads toward central Vietnam, rain starts to fall

Dortmund legends touch down in Vietnam ahead of charity match

A team of legends from German side Borussia Dortmund landed at Tan Son Nhat International Airport in Ho Chi Minh City on September 26 to prepare for a charity match against veteran and young Vietnamese footballers slated for September 28.

Vietnam disciplines senior officials for involvement in bribery case

The Party Central Committee’s Secretariat has decided to expel Deputy Foreign Minister To Anh Dung from the Party for violations he committed relating to the organization of repatriation flights for Vietnamese citizens abroad during the pandemic.

VIETNAM BUSINESS NEWS SEPTEMBER 27

Vietnam’s economy to expand 7.2% in 2022: WB
back_to_top