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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 million excess deaths in cities globally in 2019. The WHO 2005 guideline for PM 2.5 This has since been updated to the WHO 2021 guideline for PM 2.5

Pollution 468
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HEI: world’s biggest cities and urban areas face some of the worst air quality on the planet

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The report, Air Quality and Health in Cities , released by HEI’s State of Global Air Initiative, provides a comprehensive and detailed analysis of air pollution and global health impacts for more than 7,000 cities around the world, focusing on two of the most harmful pollutants; fine particulate matter (PM 2.5 ) and nitrogen dioxide (NO 2 ).

Pollution 221
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HEI report finds current levels of air pollution have reduced life expectancy by 1.67 years on average worldwide

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The Health Effects Institute (HEI) has released the annual State of Global Air (SoGA) 2019 report and website. This year’s report includes the latest results on air pollution exposure and its health burden around the world based on the 2017 GBD (Global Burden of Disease) study. — “State of Global Air 2019”.

Pollution 273
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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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The authors combined a global dataset of ambient NO 2 (modelled from ground-level monitors, satellite data, and land use variables such as road networks) with data on population distribution and asthma incidence to estimate the number of new traffic pollution-related asthma cases in children aged 1-18 years.

Pollution 360
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Study: air pollution causes 800,000 extra deaths a year in Europe and 8.8 million worldwide

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million extra deaths globally rather than the previously estimated 4.5 They applied these to a new model of global exposure and death rates and to data from the WHO, which included information on population density, geographical locations, ages, risk factors for several diseases and causes of death. Credit: European Heart Journal.

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Study finds significant proportion of childhood asthma cases may be attributable to air pollution

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Findings of a study led by the Barcelona Institute for Global Health (ISGlobal) and published in the European Respiratory Journal suggest that a significant proportion of childhood asthma cases may be attributable to outdoor air pollution, and that these cases could be prevented. Asthma is the most common chronic disease in children.

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