Entry of medium and heavy vehicles banned in Delhi

Tags: State News

The Delhi government issued an order banning the entry of medium and heavy goods vehicles into Delhi from November to February to check vehicular pollution.

• Entry of these vehicles will not be allowed from 1st November 2022 to 28th February 2023.

• This is because vehicular pollution worsens air quality in the winter months.

• Further, the Delhi government urged neighbouring states, including Uttar Pradesh and Haryana, to allow only BS VI-compliant buses to enter Delhi from October 1.

• This step will help in controlling air pollution.

• Air pollution in Delhi-NCR

• Air pollution in Delhi-NCR as well as in the Gangetic plains of India depends on the following factors:

• 1. Change in wind direction – Monsoon returns to North West India in October. During this, the north-westerly winds prevail. This brings dust from northern Pakistan and Afghanistan, causing pollution.

• 2. Low wind speed – During the month of October (winter), the overall wind speed becomes less compared to the summer months, increasing the potential for air pollution across the region, as the low speed winds disperse the pollutants. are not effective.

• 3. Stubble burning – Due to stubble burning in Punjab, Haryana and Rajasthan, Delhi is covered with a thick blanket of mist during winters.

• Stubble burning releases toxic pollutants containing harmful gases such as methane (CH4), volatile organic compounds (VOCs), carbon monoxide (CO), and carcinogenic polycyclic aromatic hydrocarbons.

• 
  

• 4. Vehicular pollution – The biggest reason for deteriorating air quality in this area is vehicular pollution. About 20% of PM2.5 in winter comes from vehicles.