Bronte Wells
Jakarta, Indonesia's capital, has been ranked as the world's most polluted city, with residents suffering from the worst air pollution recorded anywhere in the world. The city's air quality has consistently been so poor that it has threatened citizens' health, causing respiratory ailments and contributing to premature deaths. The main causes of Jakarta's air pollution are the dry season and exhaust emissions from motorized vehicles, with the transport sector contributing a significant amount of PM2.5, PM10, and Black Carbon emissions. The manufacturing industry and energy sector are also major contributors to the city's air pollution. This problem has led to a dilemma for many Jakarta residents, who want to stay in their hometown but are concerned about the silent killer that is air pollution.
| Characteristics | Values |
|---|---|
| Date | August 11, 2023 |
| Air Quality Ranking | Ranked as the most polluted city in the world by Swiss technology company IQAir |
| PM2.5 Reading | 116.7 micrograms per cubic meter |
| Respiratory Ailments | More than 630,000 cases recorded in the first six months of 2023 |
| Population | Over 10 million |
| Main Causes of Air Pollution | Dry season, vehicle emissions, coal-fired power plants, industrial emissions |
| Health Impacts | Asthma, respiratory diseases, low birth weight, infant mortality, cardiovascular and respiratory ailments, headaches, eye irritation, cancer, cardiovascular disease, diabetes, obesity |
| Economic Impact | Economic loss due to PM2.5 and O3-related deaths and illnesses is around 2% of Jakarta's provincial GDP |
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What You'll Learn
Jakarta's air pollution and its health impacts
Jakarta, Indonesia's bustling capital city, has been grappling with the dubious distinction of being labelled the "most polluted city in the world." This label was earned due to the city's alarming levels of air pollution, which has sparked concerns about its impact on the health of residents. The primary culprits behind Jakarta's air pollution are the dry season and exhaust emissions from motorized vehicles, resulting in a haze that blankets the city.
The air pollution in Jakarta has been attributed to a combination of natural and man-made factors. The dry season, with its lack of moisture in the atmosphere, low humidity, and reduced rainfall, creates favourable conditions for the accumulation of pollutants. This is exacerbated by emissions from the transport sector, particularly heavy-duty vehicles, which contribute significantly to fine particulate matter (PM2.5) and other harmful emissions like Nitrogen Dioxide (NOx) and Black Carbon. The manufacturing and energy industries further compound the problem by releasing secondary pollutants that react with other emissions, forming additional PM2.5 and ground-level ozone (O3).
The health impacts of Jakarta's air pollution are extensive and far-reaching. A study estimated that over 7,000 adverse health outcomes in children, more than 10,000 premature deaths, and over 5,000 hospitalizations each year can be linked to the poor air quality in the city. The economic burden of air pollution-related health issues is also significant, amounting to approximately USD 2.9 billion, or 2.2% of Jakarta's gross regional domestic product. The World Health Organization's revised guidelines underscore the dangers of even low levels of particulate matter, emphasizing the urgency to address this issue.
The residents of Jakarta, especially children, are facing a dire health crisis due to air pollution. Adverse health outcomes in children include asthma and other respiratory diseases, infant mortality, low birth weight, premature births, and childhood stunting. Additionally, air pollution contributes to a range of adult health issues, such as cardiovascular and respiratory diseases, ischemic heart disease, chronic obstructive pulmonary disease (COPD), stroke, lung cancer, and type 2 diabetes mellitus. The impact of air pollution on the health of Jakarta's residents demands immediate attention and effective solutions.
To address the health impacts of air pollution in Jakarta, various initiatives have been undertaken. The city government has made clean air commitments, and DKI Jakarta has collaborated with international NGOs like the World Resources Institute and Vital Strategies to formulate and implement clean air actions. Vital Strategies has played a crucial role in raising awareness about the health effects of air pollution within the health sector and among medical students, who actively promote health education and protection from pollution exposure. Additionally, the use of health data and local evidence is guiding policymakers in making informed decisions to prioritize clean air actions and promote public health.
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The role of the dry season and meteorological conditions
Jakarta, the capital city of Indonesia, has been named the world's most polluted city. On August 11, 2023, a Swiss air quality technology company, IQAir, ranked Jakarta as the most polluted city on Earth. The city's air quality has consistently been so poor that it has threatened the health of its citizens.
The dry season and meteorological conditions play a significant role in Jakarta's air pollution. The dry season, which typically occurs from June to August, sees a lack of moisture in the atmosphere. This lack of moisture, combined with other meteorological conditions, creates an environment where pollutants can build up and worsen air quality. Warmer temperatures, increased sunshine, reduced rainfall, and changes in wind speed and direction all contribute to degrading air quality.
During the dry season, fine particles such as PM2.5, PM10, and Black Carbon can build up in the surrounding air. These particles are associated with vehicle exhaust, coal plants, industrial processes, and open-waste burning. The combination of these particles with the lack of moisture in the air during the dry season leads to the formation of a thick haze that blankets the city.
In addition to the natural conditions of the dry season, human activities also contribute to the high levels of pollution during this period. The increase in emissions, mostly from the transport and industry sectors, during the dry season further exacerbates the problem. The transport sector, including private transportation and heavy-duty vehicles, contributes significantly to the emission of pollutants such as PM2.5, PM10, and Black Carbon.
The combination of meteorological conditions and human activities during the dry season creates a perfect storm for air pollution in Jakarta. The dry and windy conditions during this period make it easier for pollutants to spread and accumulate, leading to the hazardous levels of air pollution that have earned Jakarta the title of the world's most polluted city.
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Vehicle emissions and transport sector contributions
Jakarta, Indonesia's capital city, has been named the world's most polluted city by Swiss air quality technology company IQAir. The city's air quality hit a new low in August 2023, with residents waking up to a thick blanket of haze. This haze can be attributed to a combination of factors, with vehicle emissions and the dry season being the primary contributors.
The transport sector plays a significant role in Jakarta's air pollution crisis. In 2019, an emissions inventory study revealed that the transport sector contributed substantially to various emissions: 67% of PM2.5 emissions, 58% of PM10 emissions, and a staggering 84% of Black Carbon emissions. The main sources of these emissions were heavy-duty vehicles. The same study also indicated that the manufacturing industry and the energy sector were the second and third largest contributors to PM2.5 emissions, respectively.
The number of motorized vehicles in Jakarta is substantial, with 20 million such vehicles in the city as of 2018, a number that includes 13 million motorcycles. This number has continued to grow at a rate of nearly 5% per year. The high volume of vehicles, combined with the lack of moisture in the atmosphere during the dry season, contributes to the dangerously high levels of pollution experienced by the city's residents.
To address the issue of vehicle emissions, the Jakarta administration implemented an odd-even policy during the 2018 Asian Games, allowing vehicles on certain main streets based on their license plate numbers. This initiative successfully reduced the number of cars on key streets by half and increased average vehicle speeds by 37%. Additionally, commuters were encouraged to use public transportation, resulting in a 40% increase in passengers on the Transjakarta bus network. However, despite these efforts, Jakarta's air quality remains poor, and it continues to be a pressing issue that affects the health of millions of residents.
The Indonesian government has been criticized for its handling of the air pollution crisis in Jakarta. In 2021, a court found the government liable for improving air quality, but the administration of President Joko Widodo chose to appeal rather than take action. As a result, even the president himself has suffered from respiratory issues, with more than 630,000 cases of respiratory illness recorded in Jakarta in the first half of 2023.
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Industrial emissions and power plants
Jakarta, Indonesia, is frequently ranked as one of the most polluted cities in the world. In August 2023, the city was ranked as the most polluted city on the planet by Swiss air quality technology company IQAir. The city's air quality has been attributed to a combination of vehicle emissions, industrial emissions, and weather patterns.
The manufacturing industry and the energy sector are the second and third largest contributors to PM2.5 emissions in the provincial Jakarta district, according to a 2020 study. These sectors are also responsible for secondary pollutants like sulfur dioxide (SO2) and nitrogen dioxide (NOx), which combine with other emissions to form PM2.5 and ground-level O3 pollution.
To address the issue of industrial emissions, the Indonesian government has implemented several measures. Local governments have been instructed to conduct emission tests on steam power plants (PLTU) and impose sanctions on those that violate emission limits. The Ministry of Industry is providing guidance to industrial companies through a green industry approach, encouraging them to install air pollution control devices and appoint responsible officers for air pollution control.
Despite these efforts, Jakarta continues to struggle with high levels of air pollution from industrial sources. The city's more than 10 million residents are exposed to dangerously high levels of pollution, with adverse health outcomes, premature deaths, and hospitalizations attributed to poor air quality.
Indonesia's plans to build more coal-fired power plants in the vicinity of Jakarta have raised concerns. These power plants are reported to be maintaining emissions standards that are much laxer than regional or global standards, contributing to the city's air pollution crisis.
The high levels of PM2.5 air pollutants in Jakarta have been linked to these coal-fired power plants within 100 kilometers of the city. The U.S. Embassy's monitoring stations recorded 172 days of unhealthy air quality in 2019, highlighting the severity of the issue.
Reducing air pollution in Jakarta, especially from industrial emissions and power plants, is crucial to improving the health and well-being of its residents. The Air Quality Life Index (AQLI) indicates that meeting the WHO guideline for air quality would result in significant health benefits, including reduced respiratory ailments and extended life expectancy.
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Government initiatives and the need for action
Jakarta, Indonesia's bustling capital, has earned an infamous reputation as one of the world's most polluted cities, with air quality deteriorating to hazardous levels. This crisis demands urgent attention and decisive action from the government and various stakeholders. The following paragraphs delve into the initiatives undertaken by the government and the imperative need for continued and intensified efforts to combat Jakarta's air pollution effectively.
Government Initiatives:
The Jakarta Provincial Government, acknowledging the severity of the air pollution crisis, has embarked on several initiatives to ameliorate the situation. One notable endeavor is the Jakarta Clean Air Partnership, a collaboration between the government and Vital Strategies. This partnership has been instrumental in developing the "'Grand Design for Air Pollution Control,'" a comprehensive roadmap aimed at improving air quality through enhanced governance, and reducing emissions from both mobile and stationary sources. The initiative has facilitated the gathering of critical evidence and the conduct of studies to gauge the health and economic repercussions of air pollution in the city.
The Jakarta Environmental Agency has also taken center stage in the battle against pollution. In September 2022, the agency introduced the Strategy for Air Pollution Control (SPPU), encompassing over 70 action plans. These plans are categorized into three pivotal areas: governing air pollution controls, reducing emissions from mobile sources, and curtailing emissions from stationary sources. The implementation of these strategies necessitates collaboration across sectors, including central and local governments, the private sector, and the public.
Additionally, Jakarta has witnessed the introduction of innovative policies, such as the odd-even traffic restriction system, aimed at reducing the number of vehicles on key streets. This policy, first implemented during the 2018 Asian Games, proved effective in decreasing traffic congestion and enhancing average vehicle speeds. The government is also encouraging commuters to opt for public transportation, with a notable increase in the number of passengers on the Transjakarta bus network.
The government has also prioritized the renewal of public transport fleets, ensuring that older vehicles undergo emission tests and prohibiting those that fail to meet the required standards from operating. This initiative is in line with Governor Instructions of DKI Jakarta, which emphasizes the importance of controlling air quality by managing emission thresholds. Furthermore, Jakarta is establishing Low Emission Zones (LEZ), where only pedestrians, cyclists, public transport, and low-emission vehicles are permitted, thereby reducing the presence of highly polluting motorized vehicles.
The Need for Action:
While the government's initiatives are a step in the right direction, the magnitude of the problem necessitates further concerted efforts. Jakarta's air pollution has emerged as a significant public health threat, with a 2023 study revealing alarming health consequences, including adverse health outcomes in children, premature deaths, and hospitalizations attributable to poor air quality. The economic toll is also substantial, with losses related to PM2.5 and O3-related deaths and illnesses amounting to approximately 2% of Jakarta's provincial GDP, with East Jakarta bearing the brunt of these costs.
Vehicle emissions and the dry season are identified as the primary culprits behind Jakarta's air pollution. The ever-increasing number of vehicles on the road, coupled with the lack of moisture in the atmosphere during the dry season, create a toxic cocktail of pollutants that endanger the health and well-being of millions of residents. While the government has taken steps to address vehicle emissions, the role of more than a dozen coal-fired power plants surrounding the city cannot be overlooked.
The situation demands a multi-pronged approach that builds on existing initiatives. Firstly, there is a need to expand and modernize emissions requirements for vehicles, encouraging the transition to electric vehicles and low-carbon transportation options, such as walking or biking for shorter distances. Secondly, the government must continue to invest in expanding and improving public transit systems, making them more accessible and attractive to commuters. Thirdly, Jakarta's Clean Air Partnership should be further leveraged to pinpoint the specific sources of pollution through advanced technologies and scientific initiatives, thereby enabling more targeted interventions.
In conclusion, while the government has initiated important steps to tackle Jakarta's air pollution crisis, the severity and urgency of the problem require sustained commitment and innovative solutions. The health and economic well-being of Jakarta's residents are at stake, necessitating bold and decisive action from all stakeholders involved.
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Frequently asked questions
Jakarta, Indonesia, has been ranked as the most polluted city in the world by Swiss air quality technology company IQAir.
The dry season and exhaust emissions from motorized vehicles are the main causes of air pollution in Jakarta. The transport sector contributed 67% of PM2.5 emissions, 58% of PM10 emissions, and 84% of Black Carbon emissions in 2019.
Air pollution in Jakarta has contributed to respiratory ailments, with more than 630,000 cases recorded in the first six months of 2023. It has also been associated with cardiovascular ailments, headaches, and eye irritation.
The Indonesian government has blamed vehicle emissions for the problem but denied the impact of the more than a dozen coal-fired power plants around the city. In 2018, the city administration imposed an odd-even policy for cars on certain main streets, reducing the number of cars and increasing average vehicle speeds.
Individuals in Jakarta can take measures such as wearing masks, carrying oximeters to monitor oxygen levels, and, if possible, moving to a less polluted area.
