Meghan Hodges
The UK has long struggled with air pollution, which has been a significant health issue for centuries. In the 1600s, smoke pollution was already causing concern, and by the 1800s, the UK was the world's leading source of carbon-based air pollution due to coal-burning during the Industrial Revolution. While the Clean Air Act of 1956 made a substantial difference to urban air quality, air pollution remains a serious issue in the UK today, with over 2000 sites across the country exceeding safe air quality limits. The UK government has implemented measures to improve air quality, such as the introduction of Clean Air Zones and the phasing out of fossil fuels, but the country still has a long way to go in tackling this problem.
| Characteristics | Values |
|---|---|
| Air pollution levels above the recommended World Health Organization guidelines | 44 cities in 2017 |
| Air pollution levels above the legal limit | Many areas, including major cities like London |
| Outdoor pollution-caused early deaths per year | 40,000 (8.3%) |
| Air pollution-caused health issues | Asthma, lung disease, stroke, cancer, and heart disease |
| Air pollution-caused financial loss | Over £20 billion per year |
| Most polluted area in the UK | Surbiton, a suburb of London |
| Air pollution level in Surbiton | 13µg/m³ (highest measurement: 18.7µg/m³) |
| Towns with air pollution above the WHO limit | Scunthorpe, Manchester, Swansea, Sheffield, and more |
| Air pollution level in Scunthorpe | 15 micrograms per cubic metre (in 2013) |
| Air pollution level in London | 11 micrograms (decreased from 17 micrograms from 2013 to 2015) |
| Air pollution level in Sheffield | 12 micrograms (decreased from 17 micrograms from 2013 to 2015) |
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What You'll Learn
The UK's pollution history
Air pollution in the United Kingdom has long been considered a significant health issue, causing various environmental problems and health issues such as asthma, lung disease, stroke, cancer, and heart disease. The UK's pollution history can be traced back to prehistoric times when mining and smelting operations released pollutants into the atmosphere. Here is a brief overview of the UK's pollution history:
Ancient Times to the Industrial Revolution
Mining has existed in Great Britain since prehistoric times, and lead mines in Somerset and Derbyshire may have been worked even before the Roman era. The Pipe Rolls from the Middle Ages mention lead and silver smelting, indicating early metalworking activities. Swiss ice-core research revealed that atmospheric pollution containing lead between 1170 and 1216 was substantial, correlating with smelting activities in the Peak District.
The Industrial Revolution
During the Industrial Revolution, the UK became the world's leading source of carbon-based air pollution due to extensive coal-burning. This period witnessed the emergence of local campaigning societies, such as the Committee for the Consumption of Smoke in Leeds, advocating against the health risks of pollution. The Alkali Act of 1863 was enacted to regulate irritant gaseous emissions from factories, particularly targeting hydrochloric and sulphuric acids.
Early 20th Century
In the early 1900s, scientific studies on atmospheric pollution gained momentum through the efforts of the Committee for the Investigation of Atmospheric Pollution (later the Advisory Committee on Atmospheric Pollution). Experiments in London during 1902-1903 revealed that smoke contributed significantly to the city's fogs, increasing the death rate during those periods. Respiratory diseases became the UK's biggest killers during this century, with bronchitis having the highest death rate in the world in the early 1950s.
1950s and Beyond
The infamous Great London Smog of 1952 precipitated public concern and governmental action. As a result, Parliament passed the Clean Air Act in 1956, significantly improving urban air quality. Despite this, air pollution remains a persistent issue, as seen in the high pollution levels in 2014 that affected London and the southeast of England. The UK Supreme Court ruled in 2015 that the government must take immediate steps to reduce air pollution. The government has since introduced initiatives such as urban Clean Air Zones and plans to ban the sale of new fossil fuel cars by 2030.
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The UK's current pollution rank
The UK has long struggled with air pollution, which has been considered a significant health issue. In the 1600s, smoke pollution was affecting building exteriors, and by the 1800s, the UK was the world's leading source of carbon-based air pollution due to coal-burning during the Industrial Revolution. While other countries like the US and Germany later surpassed the UK in this regard, the country still faces substantial air pollution issues.
In 2017, research revealed that air pollution levels in 44 UK cities exceeded World Health Organization guidelines. The same year, Kensington and Chelsea had the worst levels of nitrogen dioxide pollution, followed by Leeds and Doncaster. Traffic emissions and local sources were largely to blame, and similar issues were seen in Brighton, Sheffield, and Coventry.
The UK government has implemented measures to address pollution, such as urban Clean Air Zones and plans to ban the sale of new fossil fuel cars by 2030. Despite these efforts, air pollution remains a serious issue, with areas like London, Surbiton, Kendal, and Hanslope regularly exceeding legal and recommended pollution levels.
The health implications of air pollution are significant, including respiratory issues, lung cancer, heart conditions, strokes, and potential links to dementia and miscarriage. It is estimated that outdoor pollution causes 40,000 early deaths annually in the UK, underscoring the urgency of continued efforts to improve air quality.
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The most polluted areas in the UK
Air pollution in the United Kingdom has long been a significant health issue, causing and exacerbating numerous health conditions, including asthma, lung disease, stroke, cancer, and heart disease. It is estimated to cost the health service, society, and businesses over £20 billion each year and cause 40,000 early deaths.
The UK government has implemented initiatives to tackle this issue, such as introducing urban Clean Air Zones and planning to ban the sale of new fossil fuel cars by 2030. Despite these efforts, air pollution remains a pressing concern, with many areas exceeding legal and recommended pollution levels.
- Surbiton: A suburb of London, Surbiton has the dubious distinction of being the most polluted area in the UK. Its proximity to the capital contributes to its poor air quality, with average measurements as high as 13µg/m³ and a maximum of 18.7µg/m³.
- Kendal: This tourist town, bordering the Lake District National Park, has air quality measurements well above the World Health Organization (WHO) guidelines, with an average of 9.1µg/m³. Its proximity to natural attractions makes Kendal's poor air quality particularly concerning.
- Hanslope: A small civil parish just outside Milton Keynes, Hanslope is on the West Coast Main Line, which likely contributes to its poor air quality. With measurements of 9.1µg/m³, the area's pollution levels far exceed the recommended limit.
- London: The capital city has consistently struggled with air pollution, often exceeding recommended levels. While there have been improvements, with levels falling from 17 to 11 micrograms between 2013 and 2015, London remains a highly polluted area.
- Manchester and Swansea: These cities were also highlighted in a WHO report as having air pollution levels at or above the recommended limits.
- Scunthorpe: In 2013, Scunthorpe was identified as having the highest estimated level of fine-particle air pollution at 15 micrograms per cubic metre.
While the UK has made strides to address air pollution, it remains a significant challenge, impacting the health and well-being of its citizens. These polluted areas underscore the need for continued efforts to improve air quality and protect public health.
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The health implications of UK pollution
The UK has long considered air pollution a significant health issue. In 2017, research revealed that air pollution levels in 44 UK cities were above the recommended World Health Organization guidelines. Many areas, including major cities like London, are regularly above legal and recommended pollution levels. Outdoor pollution alone is estimated to cause 40,000 early deaths each year, or about 8.3% of deaths.
Air pollution affects everyone who lives, works in, or visits London. The most vulnerable groups, such as children, older people, and those with heart and respiratory conditions, are the most affected. People living in deprived areas are also more vulnerable to poor air quality, partly because these areas are often near busy roads. Air pollution is linked to respiratory diseases, which were the UK's biggest killers in the 20th century. The death rate from bronchitis in the UK was the highest in the world in the early 1950s, at 65 per 100,000 in England and Wales.
Particulate pollution can harm the heart and lungs and is linked to asthma and death. Research shows that particles with a diameter of ten microns and smaller (PM10) can be inhaled deep into the lungs, as smaller particles can penetrate deeper. PM2.5 can have a particularly detrimental impact on health. At high concentrations, NO2 can inflame the airways, and long-term exposure can affect lung function and breathing, as well as worsen asthma. Epidemiological studies have shown that long-term exposure to air pollution reduces life expectancy, mainly due to cardiovascular and respiratory diseases and lung cancer. Short-term exposure can also cause a range of adverse health effects, including effects on lung function, increases in respiratory and cardiovascular hospital admissions, and mortality.
The UK Health Forum and Imperial College London estimated that a 1 µg/m3 reduction in fine particulate air pollution in England could prevent around 50,900 cases of coronary heart disease, 16,500 strokes, 9,300 cases of asthma, and 4,200 lung cancers over 18 years. The government has committed to improving air quality and reducing harmful emissions.
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The UK government's pollution plans
The UK government has launched a strategy to tackle air pollution, with a focus on reducing exposure to particulate matter (PM), which the World Health Organization (WHO) has identified as the most damaging pollutant. The government plans to achieve this by setting new targets, granting new powers to local governments, and including new primary legislation on air quality in the forthcoming Environment Bill.
The UK is committed to ending the sale of new conventional diesel and petrol cars and vans from 2040, with a ban on the sale of new fossil fuel cars by 2030. This is a significant step in reducing emissions, as pollutants from diesel vehicles, particularly toxic particles, can enter children's lungs and bloodstream, impacting their long-term health and intelligence. The government has also phased out the use of coal in electrical power generation, addressing another major source of air pollution.
To support these initiatives, the government has launched a joint research programme with UK Research and Investment (UKRI) worth £19.6 million to promote cleaner technologies. This investment in innovation is a crucial aspect of the government's strategy to tackle air pollution.
The UK government's plans to improve air quality also involve the introduction of urban Clean Air Zones. These zones aim to reduce emissions from transport, which is a significant contributor to air pollution, particularly in major cities like London, which often exceed legal and recommended pollution levels. The Clean Air Zones are designed to encourage the use of cleaner technologies and reduce emissions from vehicles, helping to improve air quality in urban areas.
The UK government recognizes the urgency of addressing air pollution, which is a significant threat to public health, causing numerous diseases and early deaths. By implementing these plans, the government aims to improve the quality of life for its citizens and reduce the economic burden caused by air pollution, which costs society over £20 billion each year.
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Frequently asked questions
The UK has long been considered a significant contributor to pollution, dating back to the Industrial Revolution. In recent years, the UK has taken steps to combat pollution, with some success, but it remains a serious environmental issue.
Major cities like London are often above legal and recommended pollution levels. Traffic and the burning of fossil fuels are significant contributors to the UK's pollution levels.
Air pollution in the UK is a major cause of diseases such as asthma, lung disease, stroke, cancer, and heart disease. Outdoor pollution is estimated to cause 40,000 early deaths each year.
