Helena Joyce
Cyprus's air quality is a growing concern, with PM2.5 concentrations 2.6 times higher than the World Health Organization's annual guideline value. The country ranked 86th out of 138 in the 2024 global air pollution rankings. Cities and power plants contribute significantly to the island's pollution, with a west-to-east gradient of NO2 vertical columns observed from space. Local hotspots, including urban centres and power plants, contribute around 10% to the total NO2 tropospheric columns, while key gaseous pollutants such as NO, NOy, CO, SO2, and O3, are also present.
| Characteristics | Values |
|---|---|
| PM2.5 concentration | 2.6 times the World Health Organization's annual guideline value |
| Global rank in air pollution (2024) | 86/138 |
| NO, NOy, CO, SO2, and O3 pollution | Decreasing trends observed from 2003-2019 |
| NO2 pollution from power plants | Not proportional to their operating capacity |
| Contribution of cities and power plants to NO2 pollution | Approximately 10% |
| Ozone pollution | Either remained constant or increased in VOC-limited urban regimes |
| Air Quality Index (as of publication date) | Nicosia: 48; Limassol: 55; Larnaca: 51; Famagusta: 51; Paphos: 46; Mórfou: 53; Germasógeia: 80 |
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What You'll Learn
Cities and power plants contribute 10% of NO2 pollution
Cyprus has a PM2.5 concentration that is 2.6 times the World Health Organization's annual PM2.5 guideline value. The country ranked 86th out of 138 countries for air pollution in 2024.
A significant contributor to air pollution in Cyprus is fuel combustion, which includes road transport, households, and energy production. Businesses, public buildings, and households contribute to about half of the PM2.5 and carbon monoxide emissions. Power plants and other industrial sources are the main contributors to nitrogen oxides and sulfur dioxide emissions, while traffic significantly impacts the production of nitrogen oxides, particulate matter, and benzene.
The TROPOMI satellite instrument has been instrumental in detecting NO2 levels in Cyprus, revealing a west-east low-to-high gradient over the island. Cities and power plants, visible from space, contribute about 10% to the total NO2 tropospheric columns. Nicosia, Limassol, Larnaca, and Paphos are the major cities with high NO2 levels, with amounts 2-4 times higher than the background levels. The power plants near Kyrenia and Karpasia are the strongest emitters of NO2, followed by the Vasiliko and Dhekelia power plants.
The eastern part of the island, where most anthropogenic activities occur, is more polluted than the west, and enhancements are observed in coastal regions. While there has been a decrease in primary pollutant concentrations due to pollution control strategies, ozone levels have increased in VOC-limited urban areas.
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High levels of PM2.5
Cyprus has been facing issues with air pollution, with PM2.5 concentrations of concern. This fine particulate matter is a major pollutant and a health hazard. The World Health Organization (WHO) sets an annual guideline value for PM2.5, and in Cyprus, the concentration is currently 2.6 times higher than this recommended level. This is a serious issue as it directly impacts the air quality and the health of the population.
PM2.5 refers to particulate matter that is 2.5 microns or less in width, which is about 3% of the diameter of a human hair. Due to its minuscule size, it can be easily inhaled and penetrate deep into the respiratory system, causing a range of health issues. These particles can even enter the bloodstream, leading to cardiovascular problems. The sources of PM2.5 pollution are varied and include vehicle emissions, industrial processes, and power plant operations.
In Cyprus, the problem of high PM2.5 levels is influenced by several factors. Firstly, the island's geographical location in the East Mediterranean region, which is a known hotspot for ozone and aerosol pollution, contributes to the issue. The country's proximity to other polluted regions can lead to the transboundary movement of pollutants, affecting local air quality. Additionally, local sources of pollution, such as cities and power plants, play a significant role.
While cities and power plants contribute to around 10% of the total tropospheric NO2 levels in Cyprus, the remaining pollution comes from other local sources. This includes vehicle emissions, which are a major contributor to PM2.5 levels. The high levels of PM2.5 in Cyprus can have detrimental effects on public health, particularly for vulnerable groups such as children, the elderly, and individuals with pre-existing respiratory or cardiovascular conditions.
To address the issue of high PM2.5 levels in Cyprus, a range of strategies can be implemented. These include stricter emission controls on vehicles, the implementation of cleaner technologies in industrial processes, and the adoption of renewable energy sources to reduce pollution from power plants. Additionally, raising awareness about the health risks associated with PM2.5 exposure can empower individuals to take protective measures, such as wearing masks or using air purifiers.
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Ozone and aerosol pollution in the East Mediterranean
The Mediterranean is an area of high photochemical activity and a crossroad of air masses of different origins. It is considered a "hot spot" for climate change due to the observed ozone build-up and high aerosol loadings. Ozone (O3) is a significant pollutant and greenhouse gas, with definite impacts on humans and ecosystems. Tropospheric ozone levels are influenced by the amounts of ozone transported between the stratosphere and the troposphere, as well as by photochemical production in the troposphere.
The Eastern Mediterranean, including Cyprus, experiences pollution from various sources, including natural and anthropogenic emissions. Natural emissions include dust and lightning, while anthropogenic emissions arise from human activities such as biomass burning and industrial processes. Fine particulate aerosols, influenced by transported dust from North Africa, have been found to impact the region, with higher occurrences during spring and autumn.
The Mediterranean region, influenced by emissions from Europe, North America, and Asia, experiences long-distance transport of air pollution. This transport fosters local ozone photochemistry, contributing to the high ozone levels observed in the Middle East. The net ozone production in the Middle East is primarily NOx-limited, implying that NOx reduction would be an effective strategy to mitigate ozone pollution.
The physical and chemical properties of airborne particles, including aerosols, significantly impact microphysical cloud processes. Maritime clouds, influenced by mineral dust and sea salt particles, exhibit different precipitation amounts and types compared to polluted clouds. Mixed-phase aerosols containing soluble matter act as efficient cloud condensation nuclei, enhancing liquid condensate in warm and mixed-phase clouds. Insoluble particles, such as mineral dust and black carbon, are essential as they can act as ice nuclei through heterogeneous nucleation mechanisms.
While specific data for Cyprus regarding ozone and aerosol pollution was scarce, the island nation is part of the broader Eastern Mediterranean region, which experiences the issues discussed above. Real-time air pollution maps and indices provide a more detailed look at the air quality in various Cypriot cities.
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High levels of NO, NOy, CO, SO2, and O3
Cyprus's air pollution levels are a cause for concern, with PM2.5 concentrations reaching 2.6 times the World Health Organization's annual guideline value. While there is a lack of specific data on the levels of NO, NOy, CO, SO2, and O3 in Cyprus, these pollutants are commonly associated with air quality issues and can have significant impacts on human health and the environment.
Nitrogen oxides (NOx), including nitrogen dioxide (NO2), contribute to air pollution and have harmful effects. High levels of NOx can lead to nutrient pollution in coastal waters and the formation of particulate matter (PM) pollution. NO2 is a criteria pollutant monitored by the EPA, which works to reduce emissions and improve air quality through national and regional regulations.
Sulfur dioxide (SO2) is another significant pollutant. The largest source of SO2 emissions is the burning of fossil fuels by power plants and industrial facilities. High concentrations of SO2 in the air lead to the formation of other sulfur oxides (SOx), which contribute to particulate matter pollution. These fine particles can penetrate the lungs and cause respiratory issues. SOx also plays a role in the formation of acid rain, which can harm sensitive ecosystems and damage stone and other materials.
Carbon monoxide (CO) and ozone (O3) are also important contributors to air pollution. While specific data for Cyprus may not be readily available, these pollutants are typically associated with vehicle emissions and industrial activities. CO is a toxic gas that can have detrimental effects on human health, particularly in enclosed spaces with inadequate ventilation. O3, while beneficial in the upper atmosphere, is a harmful ground-level pollutant that can irritate the respiratory system and damage vegetation.
Overall, while specific data for NO, NOy, CO, SO2, and O3 levels in Cyprus may not be readily available, the presence of these pollutants can have significant impacts on human health and the environment. It is crucial to monitor and regulate these pollutants to ensure cleaner air and protect the well-being of Cyprus's residents and natural surroundings.
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Air pollution in Nicosia, Limassol, Larnaca, Famagusta, and Paphos
According to IQAir, Cyprus's PM2.5 concentration level is 2.6 times the World Health Organization's annual PM2.5 guideline value. In 2024, Cyprus was ranked 86th out of 138 countries for its PM2.5 concentration levels.
Nicosia
Nicosia is the capital of Cyprus and is located in the central part of the island. While there is limited information on the air quality in Nicosia specifically, as the capital city, it is likely to have higher levels of air pollution than some of the other cities in Cyprus.
Limassol
Limassol is the second-largest city in Cyprus and is located on the south coast of the island. Like Nicosia, there is not much information available on the air quality in Limassol specifically. However, as a coastal city, Limassol may benefit from the sea breeze, which could help disperse some of the pollutants in the air.
Larnaca
Larnaca is a city on the southern coast of Cyprus. There is limited information available specifically on the air quality in Larnaca. However, as with Limassol, its coastal location may help to improve air quality.
Famagusta
Famagusta is a city on the east coast of Cyprus. According to the Air Quality Index, Famagusta's overall air quality index is 64. The individual indexes for PM2.5, PM10, NO2, SO2, O3, and CO are 64, 31, 10, 1, 18, and 5, respectively. There are real-time air pollution maps and plugins available for Famagusta, which provide data on the air quality in the city.
Paphos
Paphos is a coastal city in southwest Cyprus. According to AccuWeather, the air quality in Paphos is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure, and everyone may experience difficulty breathing and throat irritation with prolonged exposure.
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Frequently asked questions
In 2024, Cyprus ranked 86th out of 138 countries for air pollution.
Cities and power plants contribute to around 10% of the total tropospheric NO2 VCDs in Cyprus.
Yes, there are real-time air pollution maps available for over 100 countries, including Cyprus.
The air quality varies across different cities in Cyprus. For example, Nicosia has an Air Quality Index (AQI) of 48, while Limassol has an AQI of 55, and Larnaca has an AQI of 51.
