<p>New Delhi: The Centre's panel on Delhi-NCR's air quality on Wednesday invoked curbs under stage 3 of the Graded Response Action Plan (GRAP) amid a sharp <a href="https://www.deccanherald.com/tags/air-pollution">rise in pollution</a> due to unfavourable meteorological conditions, according to an official order.</p>.<p>The air quality in Delhi deteriorated sharply amid calm winds, smoggy situation and low mixing height with the 24-average AQI rising to 365 at 4 pm, prompting the Commission for Air Quality Management (CAQM) to implement curbs under stage 3 of GRAP.</p>.Very dense fog in outer Delhi, air quality poor.<p>GRAP Stage 3 entails a ban on non-essential construction work.</p>.<p>Classes up to grade 5 are required to shift to hybrid mode under Stage 3. Parents and students have the option to choose online education wherever available.</p>.<p>Under Stage 3, the use of BS-III petrol and BS-IV diesel cars (4-wheelers) is restricted in Delhi and nearby NCR districts. Persons with disabilities are exempt. Stage 3 also bans non-essential diesel-operated medium goods vehicles with BS-IV or older standards in Delhi.</p>.<p>During winters, the Delhi-NCR region enforces restrictions under GRAP, which categorizes air quality into four stages – Stage I (Poor, AQI 201-300), Stage II (Very Poor, AQI 301-400), Stage III (Severe, AQI 401-450), and Stage IV (Severe Plus, AQI above 450).</p>.<p>Unfavourable meteorological conditions, combined with vehicle emissions, paddy-straw burning, firecrackers, and other local pollution sources, lead to hazardous air quality levels in Delhi-NCR during winters.</p>
<p>New Delhi: The Centre's panel on Delhi-NCR's air quality on Wednesday invoked curbs under stage 3 of the Graded Response Action Plan (GRAP) amid a sharp <a href="https://www.deccanherald.com/tags/air-pollution">rise in pollution</a> due to unfavourable meteorological conditions, according to an official order.</p>.<p>The air quality in Delhi deteriorated sharply amid calm winds, smoggy situation and low mixing height with the 24-average AQI rising to 365 at 4 pm, prompting the Commission for Air Quality Management (CAQM) to implement curbs under stage 3 of GRAP.</p>.Very dense fog in outer Delhi, air quality poor.<p>GRAP Stage 3 entails a ban on non-essential construction work.</p>.<p>Classes up to grade 5 are required to shift to hybrid mode under Stage 3. Parents and students have the option to choose online education wherever available.</p>.<p>Under Stage 3, the use of BS-III petrol and BS-IV diesel cars (4-wheelers) is restricted in Delhi and nearby NCR districts. Persons with disabilities are exempt. Stage 3 also bans non-essential diesel-operated medium goods vehicles with BS-IV or older standards in Delhi.</p>.<p>During winters, the Delhi-NCR region enforces restrictions under GRAP, which categorizes air quality into four stages – Stage I (Poor, AQI 201-300), Stage II (Very Poor, AQI 301-400), Stage III (Severe, AQI 401-450), and Stage IV (Severe Plus, AQI above 450).</p>.<p>Unfavourable meteorological conditions, combined with vehicle emissions, paddy-straw burning, firecrackers, and other local pollution sources, lead to hazardous air quality levels in Delhi-NCR during winters.</p>