New Delhi: After rainfall improved the air quality in the national capital and adjoining areas, the Commission for Air Quality Management (CAQM) has revoked all the curbs under the Stage-4 of Graded Response Action Force (GRAP) on Thursday evening. However, all the curbs under GRAP Stage-3 will remain in place.

The CAQM said on Thursday (January 16) that it has revoked all curbs under GRAP-4 as the AQI improved in the region. GRAP Stage-4 curbs are imposed when the air quality index (AQI) breaches the 400-mark. The CAQM added that all restrictions under GRAP-3 will remain in effect.

The pollution control body said, “The AQI of Delhi has........

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