India is likely to have new national ambient air quality standards (NAAQS) in 2022, factoring in more pollutants, including ultra-fine particulate matter of less than PM2.5. The existing national standard was formulated 12 years ago. August 17, 2021 at 02:23AM India News | Latest News Headlines & Live Updates from India - Times of IndiaIndia to recalibrate air quality standards next year

August 17, 2021
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India is likely to have new national ambient air quality standards (NAAQS) in 2022, factoring in more pollutants, including ultra-fine particulate matter of less than PM2.5. The existing national standard was formulated 12 years ago.

from India News | Latest News Headlines & Live Updates from India - Times of India
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