New Delhi: With Delhi’s air quality continuing to deteriorate, authorities on Sunday enforced emergency restrictions across the city as stricter pollution control measures under GRAP Stage 4 came into force to address the worsening situation.

GRAP-4 Enforced as Air Quality Worsens

The Commission for Air Quality Management (CAQM), the Centre’s pollution control body, initially imposed restrictions under GRAP-3 for Delhi and neighbouring regions on Saturday afternoon. However, as air quality deteriorated rapidly, the measures were tightened to GRAP-4 later the same evening.

Following the move, Delhi’s Air Quality Index (AQI) was recorded at 431 around 4 p.m. on Saturday and rose further to 441 by 6 p.m., leading authorities to implement the most stringent restrictions under the GRAP fram

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