GRAP 4 revoked in Delhi-NCR as air quality improves

The Commission for Air Quality Management on Wednesday revoked Stage 4 restrictions under the Graded Response Action Plan in Delhi and the National Capital Region after the air quality improved.

Stage 4 restrictions had came into force on December 13 after the air quality slipped into the “severe plus” category.

The commission said on Wednesday that the Air Quality Index in Delhi has shown significant improvement since Tuesday night due to high winds and favourable meteorological conditions.

It added that average AQI in the national capital stood at 271 on Wednesday, which is in the “poor category”.

However, the commission added that air quality forecasts provided by the India Meteorological Department and the Indian Institute Of Technology-Madras suggest that in the coming days, the air quality index may increase because of slower winds.

Noting that restrictions Stage 4 restrictions under the GRAP has been revoked with immediate effect, the statement added that actions under Stage 1, 2 and 3 will continue to be implemented.

GRAP is a set of incremental anti-pollution measures that are triggered to prevent further worsening of air quality once it reaches a certain threshold in the Delhi-NCR region. The commission is a statutory body formed in 2020 to address pollution in the NCR and adjoining areas.

The air quality in the national...

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