Vehicles ply in reduced visibility in south Delhi as smog enveloped the city with a spike in particulate pollution. Over the last one month, residents of the national capital territory of Delhi should have received an alert every day, warning them that air quality readings were breaching acceptable levels.
An emergency air-quality warning system created in 2016 for the national capital territory of Delhi has failed its sole purpose: To warn citizens of hazardous levels of air pollution.
Over eight days to October 16, 2017, as Delhi’s air quality worsened, reaching 10-12

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