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Travel Radar - Aviation News > News > Aviation > Aircraft > Managing Air Quality and PM2.5 in Airports
AircraftAirlinesAirportsAviation

Managing Air Quality and PM2.5 in Airports

Dheer-Jayesh Sanghavi
Last updated: 11 December 2024 20:09
By Dheer-Jayesh Sanghavi 3 Min Read
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A flight between London and New York
A flight between London and New York © Graeme Paton
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Diminishing air quality is a pressing concern globally within the aviation industry because of its impact on aircraft performance, passenger health, and operational safety. It is important to monitor and control the emissions released by aircraft, as it can potentially affect aircraft systems and the health of passengers and crew. It is therefore crucial to understand the source, impact, and management strategies required to mitigate particulate matter 2.5 (PM2.5)- emission particles that are less than 2.5 microns in diameter- and their impact on the environment and human health.

WHO releases country estimates on air pollution exposure and health impact
WHO releases country estimates on air pollution exposure and health impact © World Health Organization

Sources and Health Implications

PM2.5 primarily originates from combustion processes associated with aircraft engines and ground support equipment. Aircraft engines emit carbonaceous particles, metals, and soot. On-ground service activities, such as fuel handling and the operation of auxiliary power units (APUs)—small engines located in the tail of an aircraft used to power systems like air conditioning and electrical equipment when the main engines are off—also contribute to emissions. APUs burn jet fuel inefficiently, adding to the pollution.

In addition to these sources, research conducted by the Environmental Protection Agency (EPA) highlights that aircraft engines, particularly during takeoff and landing, are significant sources of PM2.5 emissions. High temperatures within the engines promote the formation of particulate matter as a byproduct of fuel combustion. These emissions contribute to air quality concerns in and around airports, where aircraft operations are most concentrated.

The health risks associated with PM2.5 exposure extend to the aircraft cabin environment. Short-term exposure can trigger respiratory conditions, exacerbate heart diseases, and cause fatigue. A study published in ACP found that the confined nature of aircraft cabins, with limited air exchange and close proximity of passengers, intensifies these risks. With crew members experiencing increased exposure, leading to elevated levels of cardiovascular and respiratory issues,  the need for stringent air quality management in aviation is essential.

This dataset provides forecasted PM2.5 concentrations at Earth's surface.
This dataset provides forecasted PM2.5 concentrations at Earth’s surface © resourcewatch

Managing PM2.5 Emissions: Improving Air Quality

The effective management of air quality requires a hybrid strategy, involving upgrading aircraft engines to cleaner-burning models and incorporating emission reduction technologies like advanced catalytic converters in APUs, with the use of electric ground support equipment. In addition, thorough involvement across the aviation industry is required with collaboration among regulators, airlines, manufacturers and airports.

What strategies do you think would be most impactful for managing PM2.5 emissions in airports? Share your thoughts in the comments below.

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Dheer-Jayesh Sanghavi
By Dheer-Jayesh Sanghavi
Hi! I'm Dheer Sanghavi from India, currently studying entrepreneurship & marketing at UOW, Australia. With experience as a content writer, I’m passionate about creativity, learning, and meeting new people. I love sketching, writing, and reviewing movies (big horror fan!)—plus, I’m always up for coffee and good conversations. 😊 Let’s connect! LinkedIn: Dheer J Sanghavi IG: @the_shades_of_a_pencil / @writerinablock
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