PM 2.5 Current Affairs, GK & News

WHO revises Air Quality norms

The World Health Organisation (WHO) has revised its global air quality guidelines and recommended more stringent standards for key pollutants. Key facts WHO set the new standards in the first update of its air quality guidelines since 2005. PM 2.5 norms for 24 hours average has been changed to 15 micro-g/m3 against 25 micro-g/m3 in ..

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IQAir Study: New Delhi is World’s Most Polluted City

The Swiss group “IQAir” which measures the air quality levels on the basis of concentration of lung-damaging airborne particles called PM 2.5 presented its “2020 World Air Quality Report”. The report indicated that; the capital city of India, New Delhi, is the world’s most polluted capital across the world for the third straight year in ..

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Heavy sandstorm in Beijing- Key Highlights

The capital of China, Beijing, was shrouded with the brown dust on March 15, 2021 because of heavy winds that was blowing in from the Inner Mongolia and other parts of north-western China. Highlights The China Meteorological Administration has announced the “Yellow alert” stating that the sandstorms had spread from the Inner Mongolia into the ..

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SOGA Report: India recorded the highest air pollution exposure

On October 20, 2020, the State of Global Air report 2020 was released. The report was released by US based institutes. These institutes were Health Effects Institute and Institute for Health metrics and evaluation. The report has been created based on data from ground monitors and satellites Key findings of the report According to the ..

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SC issues order on completion of “Smog Tower Project” within 3 months

On December 16, 2019, the Supreme Court of India ordered the Centre and the Delhi Governments to hasten the pilot project of setting up smog towers at Connaught place. Smog Towers Smog Towers are air purification structures that are designed to work as air purifiers. They are fitted with multiple air purifiers. These purifiers cleanses ..

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