‘Immediate aim for cities like Bengaluru is to achieve national standards in air pollution’
The Hindu
Experts say India should start making progress towards WHO interim targets
As the World Health Organization (WHO) updated its air quality guidelines for the first time in 15 years, it has been evident that the new targets are a far reach for countries such as India, where many cities like Bengaluru are yet to achieve national standards.
But experts in the field have highlighted the urgency in attaining them, pointing out that air pollution at any level is unsafe.
According to the new guidelines the annual PM2.5 mean has been updated to 5 g/m3 as against 10g/m3 in 2005. The annual mean for PM10 is updated from 20 g/m3 to 15 g/m3 and NO2 to 10 g/m3 from 40 g/m3.
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