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The London Air Quality Network (LAQN) is a collection of urban
The London Air Quality Network (LAQN) is a collection of urban air pollution
Air pollution is the contamination of air due to the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. There are many different types ...
monitoring stations in London
London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...
and South East England. Launched in 1993 by researchers at King's College, London
King's College London (informally King's or KCL) is a public research university located in London, England. King's was established by royal charter in 1829 under the patronage of King George IV and the Duke of Wellington. In 1836, King's ...
, it is currently managed by the Environmental Research Group of Imperial College
Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London, United Kingdom. Its history began with Prince Albert, consort of Queen Victoria, who developed his vision for a cu ...
with funding from local authorities, business improvement districts, Transport for London, and Defra DEFRA may refer to:
* Deficit Reduction Act of 1984, United States law
* Department for Environment, Food and Rural Affairs, United Kingdom government department
{{Disambiguation ...
, and has grown to become "the largest air-quality measuring system of its kind in the world".
Each monitoring station consists of automated sensing equipment in a fixed cabin, typically positioned by a roadside or other busy urban area, which takes various pollution samples roughly every 15 minutes, so allowing both short- and long-term analysis of air quality.
The data produced by the network has been used to inform scientific and medical research, public policy, and public understanding of air pollution issues for nearly three decades. It's also used to generate near-real-time air-quality measurements, pollution maps, statistics, and alerts through a dedicated website (londonair.org.uk), phone app ("London Air"), and Twitter feed (@londonair), as well as bus and tube station "countdown" signs.
References
External links
* {{official website Air pollution in the United Kingdom Air pollution organizations Environment of London Health in London Public health in the United Kingdom