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India sends out scientists to tackle winter air pollution woes

India sends out scientists to tackle winter air pollution woes”

ITO (AQI 372), Vivek Vihar (AQI 370), and Shadipur (AQI 359) recorded the highest pollution levels on Thursday morning. The vehicular emissions in winters stay near the surface and contribute to the air pollution of the city, which is risky for us, ' he warned. But with industrial activities resuming and cars back on the roads - along with the onset of cooler weather and less wind - air quality in the city has once again fallen to unhealthy levels.

Central Pollution Control Board (CPCB) took to social media and tweeted, "In view of the upcoming winter season, CPCB will be deploying 50 teams for inspection in Delhi-NCR starting October 15".

PM10 is particulate matter with a diameter of 10 micrometers and is inhalable into the lungs.

The wind direction is partly favourable for transport of smoke from farm fires and "hence, an increase in contribution in Delhi's PM 2.5 is expected", SAFAR said. These particles include dust, pollen and mold spores.

IIT Kanpur, in a study commissioned by the Sheila Dikshit government, had estimated the total PM 10 emission load in the city at 143 tonnes per day and listed the top contributor as road dust (56%), and the PM 2.5 load at 59 tonnes/day, with the top contributors being road dust (38%) and vehicles (20%).

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GRAP-a set of anti-pollution measures followed in Delhi and its vicinity towns according to the severity of the situation-comes into force on Thursday.

It was notified by the Ministry of Environment and Forests in 2017 for implementation through the Supreme Court-mandated Environment Pollution (Prevention and Control) Authority. The measures include increasing bus and metro services, hiking parking fees and banning use of diesel generator sets when the air quality turns poor.

The measures to be followed in the "emergency" situation include stopping the entry of trucks in Delhi, ban on construction activities and introduction of the odd-even vehicle rationing scheme. We can not do much about other states but we are taking all possible measures to control local sources of pollution - anti-dust strategy, tree transplantation policy, electric vehicle policy and decomposition of crop stubble through new technology. "Therefore, our combined effort is to ensure that there is no further disruption". Flaying his Delhi counterpart Arvind Kejriwal, the Punjab chief minister asked him to "stop lying" to divert attention from his "failure" to protect the national capital's environment. Burning of stubble by the farmers in the neighbouring states of Delhi such as Haryana, Punjab and Uttar Pradesh are understood to be the major reason before the increase in carbon emissions in the NCR region.

To determine the metropolitan areas with the largest decreases in air pollution over the past decade, researchers at Filterbuy ranked locations by the percentage change in median AQI between the five-year period ending in 2019 and the five-year period ending in 2009.



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