The minister reviewed the implementation of air pollution control measures at the Sarai Kale Interstate Bus Terminal and found buses from other states flouting the ban imposed on BS IV diesel vehicles under the Centre's Graded Response Action Plan
Gopal Rai. File Pic
Delhi Environment Minister Gopal Rai directed the transport department on Friday to conduct a special drive to prevent the entry of private polluting buses into the capital, reported news agency PTI.
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The minister reviewed the implementation of air pollution control measures at the Sarai Kale Interstate Bus Terminal and found buses from other states flouting the ban imposed on BS IV diesel vehicles under the Centre's Graded Response Action Plan, reported PTI.
"We have found that private buses from other states have been violating the ban and have directed the transport department to run a special drive to check the entry of such vehicles into Delhi," he told reporters, reported PTI.
Citing experts' views, Gopal Rai said that a slight improvement in meteorological conditions might lead to marginal relief but urged agencies to remain alert, reported PTI.
Strict restrictions, including a ban on construction work and the entry of polluting trucks into the capital, under the final stage (Stage IV) of the Centre's air pollution control plan, known as the Graded Response Action Plan (GRAP), had kicked in on November 5 after the air quality in the capital dropped to severe plus (AQI above 450) levels, reported PTI.
The plying of BS III petrol and BS IV diesel vehicles is banned under the final stage (Stage IV) of the Graded Response Action Plan, with exemptions granted to those involved in essential services, reported PTI.
Meanwhile, Delhi's air quality has deteriorated further and now stands closer to the "severe plus" category, a stage which might trigger the implementation of the odd-even car rationing measure in the capital.
The city's air quality index stood at 437 at 7 am, worsening from 419 at 4 pm on Thursday.
The capital's 24-hour average AQI, recorded at 4 pm every day, was 401 on Wednesday, 397 on Tuesday, 358 on Monday, 218 on Sunday, 220 on Saturday, and 279 on Friday.
The relatively better air quality last weekend is attributed to rain. Air pollution levels surged in the following days due to intense firecracker bursting on Diwali night and a resurgence in stubble burning in the neighbouring states.
These effects were compounded by unfavourable meteorological conditions, primarily calm winds and low temperatures, hindering the dispersion of pollutants. Neighbouring Ghaziabad (374), Gurugram (404), Greater Noida (313), Noida (366), and Faridabad (415) also recorded very poor to severe air quality.
An AQI between zero and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, 201 and 300 poor, 301 and 400 very poor, 401 and 450 severe and above 450 severe plus.
Earlier this week, Delhi Environment Minister Gopal Rai had mentioned the possibility of the return of the odd-even car rationing measure if the AQI crosses the 450-mark.
The measure, implemented four times since 2016, allows cars to operate on alternate days based on the odd or even last digit of their registration numbers. The last enforcement was in 2019.
The government last week postponed its implementation after a notable improvement in the city's air quality due to rain on Friday.
Recent findings from a joint project by the Delhi government and IIT-Kanpur found that vehicular emissions accounted for about 38 per cent of the capital's air pollution on Wednesday. This reduced to 25 per cent on Thursday.
(With inputs from PTI)
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