The National Capital woke up to another toxic smog-shrouded morning on Wednesdat, with the average Air Quality Index (AQI) recording 388 at 7 am, which firmly put the city in the "very poor" category, according to the Central Pollution Control Board (CPCB).

Presently, the Commission for Air Quality Management (CAQM) has GRAP Stage 3 enforced to combat the persistent pollution. Authorities have not yet imposed the most stringent measures under GRAP Stage 4, though the AQI has shown only negligible improvement from Monday morning, when it was recorded at 351.

Understanding GRAP Stage 4: Emergency Measures

Restrictions under GRAP Stage 4 are automatically triggered when the AQI crosses the 451 mark, which is considered a "Severe Plus" or emergency situation. It involves drastic curbing of

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