Greta Jimenez
Vietnam is facing a growing air quality crisis due to rapid urbanization and industrialization, particularly in its major cities. Hanoi, the capital of Vietnam, was ranked as one of the world's most polluted cities in 2025, with air pollution levels exceeding even those of Delhi and Lahore. According to the World Bank, Vietnam has emerged as one of the world's fastest-growing per-capita greenhouse gas emitters, with emissions increasing fivefold in the last two decades. The energy sector is the largest contributor, followed by agriculture, industrial processes, and waste. Vietnam's air pollution has severe health consequences, causing about 70,000 deaths annually and reducing the average lifespan by 1.4 years. It also impacts the economy, potentially costing up to US$14 billion, or 7% of GDP, and affecting tourism, investment, and ecosystem degradation. While Vietnam has committed to carbon neutrality by 2050, it faces challenges in balancing economic development with environmental protection.
| Characteristics | Values |
|---|---|
| Air pollution-related deaths per year | 60,000-70,000 |
| Air pollution-related deaths worldwide per year | 7 million |
| Air pollution-related deaths in the Western Pacific Region per year | 2.2 million |
| Percentage fall in urban income due to air pollution | Up to 20% |
| Percentage fall in GDP due to air pollution | 7% |
| Cost of social and economic losses due to air pollution | >&13 billion per year |
| Percentage of PM 2.5 particles attributed to road dust and vehicle emissions | 38% |
| Percentage of PM 2.5 particles attributed to industrial sources | 30% |
| Percentage increase in the levels of PM2.5 particles in 2023 | 9% |
| Average PM2.5 readings in 2023 as a multiple of WHO recommended levels | x6 |
| Percentage of global marine plastic pollution that comes from 10 in-land rivers | 90% |
| Vietnam's rank among countries most affected by air pollution | 10 |
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What You'll Learn
Air pollution in Hanoi
Air pollution is a pressing issue in Hanoi, Vietnam's capital city, which was declared the world's most polluted city in January 2025. The city's air quality has deteriorated significantly since late 2024, causing concern among the public and policymakers. Hanoi's air pollution has been linked to a mix of factors, including rapid economic development, seasonal changes, and the booming economy.
The World Bank report attributes 38% of PM 2.5 particles in Hanoi to road dust and vehicle emissions, with nearly 30% coming from nearby industrial sources. In March 2023, Hanoi residents experienced just one day with "moderate" air quality, and the PM2.5 readings were almost six times the WHO-recommended levels. The Vietnamese government has acknowledged the problem and is pushing for a transition to electric vehicles (EVs) to reduce pollution levels.
Hanoi's air pollution has severe health consequences for its residents. Fine particles in the air penetrate deep into the lungs and cardiovascular system, causing various diseases, including stroke, heart disease, lung cancer, chronic obstructive pulmonary diseases, and respiratory infections. The poor air quality is also linked to neurological disorders, childhood obesity, and mental health problems.
In addition to the health impacts, air pollution in Hanoi has significant economic and social costs. It reduces worker productivity, negatively affects crop yields and livestock production, decreases tourism revenues and international investments, and damages heritage sites and ecosystems. The World Bank estimates that air pollution in Vietnam imposes social and economic losses of more than US$13 billion annually, equivalent to 4% of the country's GDP.
The Vietnamese government is facing pressure to address the air pollution crisis, with the public demanding action. Vietnam's leader, To Lam, has emphasised the need to balance economic development with environmental protection. However, reconciling rapid expansion with environmental preservation remains a challenge, especially as efforts to reduce industrial emissions face resistance due to the associated costs.
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Impact on health
Vietnam is among the ten countries most affected by air pollution, with around 60,000 deaths each year attributed to air pollution. The country's northern areas, particularly Hanoi, experience the worst air quality during the winter, while the central and southern regions see a different pattern influenced by the monsoon seasons and topographical features. The air pollution disparity across Vietnamese cities indicates how geography and weather patterns significantly influence environmental health.
The health impacts of air pollution are well-documented and include respiratory diseases, cardiovascular problems, and adverse effects on the immune system. People with pre-existing lung diseases such as asthma or chronic obstructive pulmonary disease are especially vulnerable, as are children under five, who face higher risks of acute respiratory infections and impacts on lung development and function. Older adults, pregnant women, and those with cardiovascular disease and/or diabetes are also at increased risk. Unhealthy air is further linked to neurological disorders, childhood obesity, and mental health problems.
Household air pollution, often caused by cooking with biomass fuels, coal, wood, or kerosene, is a significant contributor to both indoor and outdoor air pollution. In 2020, household air pollution contributed to nearly half of all air pollution-related deaths in Vietnam, including the deaths of over 237,000 children under five. Women are generally more exposed to household air pollution than men.
Vietnam's rapid urban development and industrialization have significantly contributed to outdoor air pollution. Construction activities release large amounts of dust and particulate matter into the air, and industrial emissions are a major concern. The Mekong River, which runs through Vietnam, is one of the top ten global in-land rivers responsible for marine plastic pollution.
The Vietnamese government has recognised the urgency of addressing air pollution and has committed to ambitious targets for reducing emissions and achieving net-zero carbon emissions by 2050. The government is introducing policies to reduce vehicle and industrial emissions, promote clean household energy, and improve waste management practices. These efforts are expected to have positive impacts on both the environment and public health.
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Water pollution
The geography and topography of Vietnam also make the country susceptible to natural hazards such as typhoons, storms, floods, and droughts, which further compound the problem of water pollution. For example, flooding can impact water quality by affecting land use patterns, urban development, and agricultural practices.
Agricultural production is a significant contributor to water pollution in Vietnam. The country is one of the richest agricultural regions in the world and a top producer and consumer of rice. Water used for agriculture accounts for over 80% of total water production, and the use of chemical fertilizers and pesticides has led to soil pollution. Massive aquaculture production without proper planning or technical procedures has also caused negative consequences for the water environment.
Industrial wastewater is another major contributor to water pollution in Vietnam. In craft villages, untreated wastewater from iron, steel, copper casting, aluminum, lead, paper, and textile dyeing pollutes the environment and water sources. Additionally, wastewater from paper production has a pH of 8.4-9, an NH4 content of 4mg/1, a brown color, and an unpleasant odor.
The Vietnamese government has recognized the severity of the water pollution crisis and is taking steps to address the issue. By 2025, the government aims to attain the clean water standards required to improve public health and economic production. They have launched a national plan to hinder open defecation, which is a common source of water contamination. The government is also encouraging the privatization of the wastewater treatment sector and prioritizing water collection, drainage, and treatment.
International efforts are also being made to support Vietnam in combating water pollution. USAID has provided donations and grants to the Vietnamese government to address humanitarian issues, including water pollution. Additionally, countries such as Japan, Denmark, Finland, and Australia have financed projects in the water sector through government grants. These grants have been used for feasibility studies and master plans for environmental improvements and pollution prevention.
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Greenhouse gas emissions
Vietnam is facing a significant challenge in addressing its greenhouse gas emissions and air pollution levels, which have severe impacts on public health, the economy, and the environment.
In 2025, Hanoi, Vietnam's capital, was ranked as one of the world's most polluted cities, underscoring the urgent need for the country to balance economic development with environmental protection. Air pollution in Vietnam is attributed to various factors, including industrial emissions, vehicle emissions, and household fuel usage.
Vietnam has recognised the importance of tackling greenhouse gas emissions and has made notable commitments and efforts towards reducing them. The country has pledged to achieve carbon neutrality by 2050 and is taking steps to phase out coal-fired power generation and stop the construction of new coal-fired plants after 2030. Vietnam's participation in the Just Energy Transition Partnership (JETP) will provide significant financial support to help achieve its net-zero goals. Additionally, the country's Power Development Plan 8 (PDP8) outlines a roadmap for expanding renewable energy sources and integrating them into the energy grid.
However, Vietnam's rapid economic growth has been a significant contributor to air pollution, and the country faces challenges in reconciling economic expansion with environmental preservation. There is resistance to reducing industrial emissions due to the associated costs, and the government is considering fossil gas as a "transition fuel," which may inadvertently lead to the continued use of fossil fuels.
Despite these challenges, Vietnam is making progress towards its emissions targets. Absolute methane emissions, primarily from the agriculture sector, have been declining since 2011, and Vietnam has set ambitious goals for further reductions. The country is also preparing for the pilot phase of its national emissions trading system, demonstrating its commitment to addressing climate change and improving air quality.
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Plastic waste pollution
Vietnam is facing a plastic pollution crisis. The country is one of the top ten countries in the world for plastic pollution, and plastic waste accounts for the majority of waste found in river and coastal sites. An estimated 3.1 million metric tons of plastic waste is discharged onto land in Vietnam annually, with at least 10% of this waste leaking into waterways. This makes Vietnam one of the top five plastic polluters of the world's oceans.
The consumption of single-use plastics is a significant problem in Vietnam. Single-use plastic items make up a large portion of plastic pollution in the country, and addressing their use will be crucial in reducing overall plastic pollution. Approximately 75% of solid waste in Vietnam, including plastics, is mismanaged or improperly disposed of, with less than 30% of plastic waste being recycled.
The Vietnamese government has recognized the severity of the plastic pollution crisis and has taken steps to address it. The government has developed a National Action Plan on Marine Plastic Debris to 2030, with the goal of cutting marine plastic litter by 50% by 2025 and 75% by 2030. Measures include the impending ban on producing and importing plastic bags for domestic use by 2026 and most single-use plastic products by 2031.
In addition to government efforts, collective initiatives at the community level have also played a crucial role in tackling plastic pollution. These initiatives focus on waste collection, sorting, segregation, composting, and behavioral changes aimed at reducing plastic use and waste generation. Vietnam has also partnered with the National Plastic Action Partnership (NPAP), which focuses on policy, finance, transforming behavior, enhancing innovation, harmonizing metrics, and endorsing equity and inclusivity.
Despite these efforts, challenges remain in tackling plastic pollution in Vietnam. There is a lack of accurate data on different types of solid waste, a lack of proper legal enforcement capabilities, and a lack of protocols in plastic waste monitoring and coordination in data collection at the national level. However, with continued commitment and action from the government, communities, and international partners, Vietnam can make significant strides in addressing its plastic pollution crisis.
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Frequently asked questions
Air pollution is extremely harmful to the health of Vietnamese people. It is linked to neurological disorders, childhood obesity, mental health problems, and lung diseases such as asthma or chronic obstructive pulmonary disease. It also increases the risk of acute respiratory infections and impacts lung development in children. Overall, air pollution causes about 60,000-70,000 deaths each year in Vietnam, shortening the average lifespan by 1.4 years.
The main sources of air pollution in Vietnam are vehicle emissions, industry emissions, and household fuel usage. According to a 2021 World Bank report, emissions from Hanoi's 8 million registered vehicles made up 30% of air particulate pollution, and industry emissions contributed another 30%.
The Vietnamese government has implemented several measures to address air pollution. They have released the Revised Law on Environmental Protection, which gives communities a more prominent role in conservation and imposes responsibilities on corporations. The government is also working on the National Climate Change Strategy and an Emissions Trading System. Additionally, Vietnam's National Assembly has passed the National Action Plans, which aim to improve air quality, water conservation, and waste management.
Air pollution has significant economic impacts in Vietnam, reducing worker productivity, harming crop yields and livestock production, decreasing tourism revenues and international investments, and damaging heritage sites. The World Bank estimates that air pollution costs Vietnam more than US$13 billion annually, equivalent to 4% of the country's GDP.
Vietnam's air pollution levels are often higher compared to its neighbouring countries in Southeast Asia, such as Thailand, the Philippines, and Malaysia. Vietnam's capital, Hanoi, was ranked as the world's most polluted city in 2025, highlighting the country's struggle to balance economic development with environmental protection.
