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Exposure to air pollution has significant adverse health effects, leading to nearly 1 in every 8 deaths globally.
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Air pollution affects all age groups, from unborn children to older people, in both high- and low-income nations.
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This policy brief explores the impact of air pollution on health and address the air quality issue in the response to noncommunicable diseases (NCD
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s). It also provides key actions that policy makers, NGOs and health professionals can take to ensure that every one can breathe clean air.
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Long-term exposure of humans to air pollution enhances the risk of cardiovascular and respiratory diseases. A novel Global Exposure Mortality Model (GEMM) has been derived from many cohort studies,
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providing much-improved coverage of the exposure to fine particulate matter (PM2.5). We applied the GEMM to assess excess mortality attributable to ambient air pollution on a global scale and compare to other risk factors.
Methods and results
We used a data-informed atmospheric model to calculate worldwide exposure to PM2.5 and ozone pollution, which was combined with the GEMM to estimate disease-specific excess mortality and loss of life expectancy (LLE) in 2015. Using this model, we investigated the effects of different pollution sources, distinguishing between natural (wildfires, aeolian dust) and anthropogenic emissions, including fossil fuel use. Global excess mortality from all ambient air pollution is estimated at 8.8 (7.11–10.41) million/year, with an LLE of 2.9 (2.3–3.5) years, being a factor of two higher than earlier estimates, and exceeding that of tobacco smoking. The global mean mortality rate of about 120 per 100 000 people/year is much exceeded in East Asia (196 per 100 000/year) and Europe (133 per 100 000/year). Without fossil fuel emissions, the global mean life expectancy would increase by 1.1 (0.9–1.2) years and 1.7 (1.4–2.0) years by removing all potentially controllable anthropogenic emissions. Because aeolian dust and wildfire emission control is impracticable, significant LLE is unavoidable.
Conclusion
Ambient air pollution is one of the main global health risks, causing significant excess mortality and LLE, especially through cardiovascular diseases. It causes an LLE that rivals that of tobacco smoking. The global mean LLE from air pollution strongly exceeds that by violence (all forms together), i.e. by an order of magnitude (LLE being 2.9 and 0.3 years, respectively).
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This document summarizes several air quality measurement and modelling methods that can be used to estimate ground-level air pollutant concentratio
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ns and presents multiple approaches to monitoring ambient air pollution at different spatial and temporal scales. These methods are crucial for estimating population exposures, which can be defined as the product of the pollutant concentration and the time over which a person is in contact with this pollutant.
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In 2019, WHO estimated that 6.7 million premature deaths could be attributed to ambient and household air pollution from particulate matter (particles with a diameter less than 2.5 μm, PM2.5. Of th
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e 4.2 million deaths attributed specifically to ambient air pollution exposures.
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Cardiovascular disease, diabetes, chronic obstructive pulmonary disease, cancers, and other non-communicable diseases are among the leading causes of morbidity and mortality in low-income, middle-income, and high-income countries, and The Lancet Taskforce recently made the case for investing in non-
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communicable disease prevention. Now, in The Lancet Planetary Health, Benjamin Bowe and colleagues report that exposure to PM2·5 air pollution is indeed a risk factor for diabetes.
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Background: The impacts of air pollutants on health range from short-term health impairments to hospital admissions
and deaths. Climate change is leading
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to an increase in air pollution.
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New WHO Global Air Quality Guidelines (AQGs) provide clear evidence of the damage air pollution inflicts on human health, at even lower concentrations than previously understood. The guidelines reco
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mmend new air quality levels to protect the health of populations, by reducing levels of key air pollutants, some of which also contribute to climate change.
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Communications and outreach to policy-makers and the wider public are essential to mobilize and sustain support for policy solutions to
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air pollution and bring the needed health, environment and economic benefits.
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Preliminary fndings from a global survey of urban young people on the air they breathe and a child health co-benefts analysis of radical decarbonisation of 16 global cities.
This joint ECDC-European Union Aviation Safety Agency (EASA) document aims to support Member States in determining a coordinated approach to reduce the risks related
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to the movement of people by air within and between the EU/EEA countries and the UK in the context of the COVID-19 pandemic, noting that the impact of quarantine and testing is likely to vary according to levels of ongoing community transmission, and in the context of ECDC’s current advice that non-essential travel should be avoided during the end-of year festive period
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Exposure to air pollution can affect everyone’s health. When we breathe in air pollutants, they can enter our bloodstream and contribute
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to coughing or itchy eyes and cause or worsen many breathing and lung diseases, leading to hospitalizations, cancer, or even premature death.
Minnesota’s air currently meets all federal air quality standards. However, even levels of air pollution below the standards can affect people’s health, including levels currently found in parts of Minnesota.
No matter where you live, you can be exposed to air pollution from vehicle exhaust, smoke, road dust, industrial emissions, pollen, gas-fueled yard equipment, chemicals we use in our homes, and other sources.
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WHO Air Quality Guidelines set goals to protect millions of lives from air pollution
Aerosol pollutants are known to raise the risk of development of non-communicable respiratory diseases (NCRDs) such as asthma, chronic bronchitis, chronic obstructive pulmonary disease, and allergic rhinitis. Sub-Saharan Africa’s rapid pace of urb
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anization, economic expansion, and population growth raise concerns of increasing incidence of NCRDs. This research characterizes the state of research on pollution and NCRDs in the 46 countries of Sub-Saharan Africa (SSA). This research systematically reviewed the literature on studies of asthma; chronic bronchitis; allergic rhinitis; and air pollutants such as particulate matter, ozone, NOx, and sulfuric oxide.
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Although air pollution is well known to be harmful to the lung and airways, it can also damage most other organ systems of the body. It is estimate
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d that about 500,000 lung cancer deaths and 1.6 million COPD deaths can be attributed to air pollution, but air pollution may also account for 19% of all cardiovascular deaths and 21% of all stroke deaths. Air pollution has been linked to other malignancies, such as bladder cancer and childhood leukemia. Lung development in childhood is stymied with exposure to air pollutants, and poor lung development in children predicts lung impairment in adults. Air pollution is associated with reduced cognitive function and increased risk of dementia. Particulate matter in the air (particulate matter with an aerodynamic diameter < 2.5 μm) is associated with delayed psychomotor development and lower child intelligence. Studies link air pollution with diabetes mellitus prevalence, morbidity, and mortality. Pollution affects the immune system and is associated with allergic rhinitis, allergic sensitization, and autoimmunity. It is also associated with osteoporosis and bone fractures, conjunctivitis, dry eye disease, blepharitis, inflammatory bowel disease, increased intravascular coagulation, and decreased glomerular filtration rate. Atopic and urticarial skin disease, acne, and skin aging are linked to air pollution. Air pollution is controllable and, therefore, many of these adverse health effects can be prevented.
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Air pollution is the top environmental threat to health in Europe. It leads to hundreds of thousands premature deaths per year and billions of Euro
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s in health costs.
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This guideline covers road-traffic-related air pollution and its links to ill health. It aims to improve
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air quality and so prevent a range of health conditions and deaths.
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Pollution (dirty air) is a big trigger for asthma as it makes it difficult to breathe and affects the health of humans, animals, and plants. Avoiding pollution helps prevent asthma symptoms!
This report summarizes the latest scientific knowledge on the links between exposure to air pollution and adverse health effects in children. It is intended
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to inform and motivate individual and collective action by health care professionals to prevent damage to children’s health from exposure to air pollution. Air pollution is a major environmental health threat. Exposure to fine particles in both the ambient environment and in the household causes about seven million premature deaths each year. Ambient air pollution (AAP) alone imposes enormous costs on the global economy, amounting to more than US$ 5 trillion in total welfare losses in 2013.
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