A new report on air quality across the United States offered a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution ...
New Delhi: In 2015-16, Delhi had 69 ‘very poor’ air quality days, with AQI between 200-300, from October to January. Ten years later, after the imposition of GRAP or other pollution measures, there ...
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