The CPCB has said high moisture level in the air has trapped emission from local sources and hanging low over the city in the absence of wind. "Total calm conditions, marked by the complete absence of wind has led to the situation. The moisture has trapped emissions from ground level sources," Dipankar Saha, CPCB's air lab chief, said. According to private weather forecasting agency Skymet, wind from neighbouring Punjab and Haryana, where paddy stubble burning is in full swing, has started entering the city during the afternoon hours. The CPCB also recorded 'severe' air quality in the neighbouring Noida and Ghaziabad. The real-time pollution monitors displayed an alarmingly high concentration of PM2.5 and PM10, which are ultrafine particulates having the ability to enter the respiratory system and subsequently the bloodstream of humans and animals, causing harm.IMA declares Delhi in public health emergency state,schools shld be shut & ppl must avoid stepping out-IMA Pres Dr.KK Aggarwal #AirPollution pic.twitter.com/mJ3SbVlGft
— ANI (@ANI) November 7, 2017
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