Delhi pollution: Centre revises air pollution control plan for Delhi-NCR, tightens curbs

The Centre's panel on Delhi-NCR air quality has issued a revised plan to tackle winter pollution, asking states to implement stricter measures when the air quality deteriorates and making it mandatory for schools to shift to hybrid learning on days with severe air pollution.

Poor air quality, driven by unfavourable weather conditions, usually persists for long periods during winter, from November to January.

During this time, Delhi frequently enforces restrictions under the Graded Response Action Plan (GRAP), which categorises air quality into four stages: Stage I (Poor) with AQI between 201 and 300, Stage II (Very Poor) between 301 and 400, Stage III (Severe) between 401 and 450, and Stage IV (Severe Plus) for AQI above 450.

According to the revised plan, inter-state buses from NCR states, except those EVs and those running CNG or BS-VI diesel, will not be allowed to enter Delhi under Stage II. This provision earlier came into effect under Stage III.

Resident welfare associations will also be required to provide electric heaters to staff involved in sanitation, gardening, and other services, in addition to security staff, to prevent open burning of biomass or solid waste during winters.

Persons with disabilities are exempt from restrictions imposed on BS-III petrol and BS-IV diesel cars in Delhi and the districts of Gurugram, Faridabad, Ghaziabad, and Gautam Budh Nagar under Stage III.

The Delhi government has been directed to ban diesel medium goods vehicles (MGVs) with BS-IV or older standards, except those carrying essential goods or services, within the city under Stage III.

Similarly, non-essential diesel light commercial vehicles (LCVs) of BS-IV or older standards, registered outside Delhi, will not be allowed to enter the city. Previously, such restrictions applied only to BS-III vehicles.

The panel has also mandated that schools and colleges in Delhi, Gurugram, Faridabad, Ghaziabad, and Gautam Budh Nagar shift classes up to Class V to hybrid mode (both online and offline) under Stage III. Students and parents will have the option to choose online education wherever it is available.

Under Stage IV, which is invoked when the AQI crosses the 450 mark, schools in Delhi and NCR districts will be required to conduct classes for students from Class VI to IX and XI in the hybrid mode.

The Delhi and NCR state governments have also been directed to stagger timings for public offices and municipal bodies under Stage III. The Centre may decide on similar staggered timings for central government offices in Delhi-NCR.

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