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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Since WHO’s last 2005 global update, there has been a marked increase of evidence that shows how air pollution affects different aspects of health. Source: WHO.

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Modeling study suggests 1.8M excess deaths attributable to urban air pollution in 2019

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billion people) are exposed to annual average levels of fine particulate matter exceeding the World Health Organization (WHO) guideline from 2005, leading to 1.8 The WHO 2005 guideline for PM 2.5 Two-thirds of pediatric asthma cases linked to air pollution in cities. million excess deaths in cities globally in 2019.

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MIT study: half of US deaths related to air pollution are linked to out-of-state emissions

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The study focuses on the period between 2005 and 2018 and tracks combustion emissions of various polluting compounds from various sectors, looking at every state in the contiguous United States, from season to season and year to year.

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Port of Los Angeles surpasses 2023 pollution reduction targets five years ahead of schedule; NOx down 60% from 2005

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Emissions of NO x , a key component of smog, at the Port of Los Angeles are down 60% compared to 2005 emissions levels. Container ship calls were down 22% while the average number of TEUs per vessel increased 60% since 2005. million Twenty-foot equivalent units (TEUs). Source: 2017 Inventory of Air Emissions.

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Port of Long Beach has cut diesel PM by 81% since 2005

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The Port of Long Beach has cut diesel particulates by 81% since 2005, according to its 2012 Emissions Inventory. The results for 2012 mark six straight years of improving air quality in the harbor area due to the Port’s focused efforts to reduce air pollution caused by goods movement. Greenhouse gases were lowered by 24%.

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Study associates long-term exposure to air pollution with increasing emphysema

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Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. Ground-level ozone is mostly produced when ultraviolet light reacts with pollutants from fossil fuels.

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Study: surface ozone in India in 2005 damaged 6M tonnes of crops, enough to feed 94M people in poverty

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Ozone, the main component of smog, is a plant-damaging pollutant formed by emissions from vehicles, cooking stoves and other sources. New research shows that ozone pollution damaged millions of tons of wheat, rice, soybean and cotton crops in India in 2005. Surface ozone pollution in India damaged 6 million metric tons (6.7

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