For the first time since 2005, the World Health Organisation (WHO) has updated its global air quality standards and recommends halving fine particles concentrations at least.

Along with climate change, air pollution is one of the major threats to human health, the WHO said.

The new WHO guidelines set out air quality guidelines on six pollutants, including ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide.

There are also hints of other effects such as diabetes and neurodegenerative illnesses, the WHO said.

The other two are fine dust of the dimensions PM10 and PM2.5, or smaller than 10 and 2.5 microns in diameter, respectively.

The WHO said that, while ambient air quality in high-income countries had increased significantly since the 1990s, there had been little reduction in deaths or lost years of healthy living, given that air quality in most other countries generally had deteriorated, consistent with their economic developments.

The Panel concluded that the impact of air pollution is especially common in communities and low income countries.

To achieve these goals, the organisation recommends a multi-pronged approach for governments, which includes investment in green energy solutions and public transport, better management of waste and access to cleaner fuels for heating and cooking in their homes.

Public health

Public health has been defined as “the science and art of preventing disease”, prolonging life and improving quality of life through organized efforts and informed choices of society, organizations , (wikipedia)

World Health Organization

The World Health Organization is a specialized agency of the United Nations responsible for international public health. (wikipedia)

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Hans Kluge

Hans Henri Marcel Paul Kluge is a Belgian a medical doctor and public health expert with more than 25 years of experience spanning three continents. (wikipedia)

World Health Organization’s response to the COVID-19 pandemic

The World Health Organization is a leading organization involved in the global coordination for mitigating the COVID-19 pandemic, (wikipedia)