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Delhi-NCR The Hindu Delhi • Oct 21, 2026

GRAP-1 Restrictions Imposed Across Delhi-NCR as Air Quality Index Dips to 'Poor' Category Following Dussehra

💡 Key Takeaways

•Stage-1 of the Graded Response Action Plan has been enforced across Delhi-NCR after AQI deteriorated to 244 ('poor' category) on October 21.
•The statutory trigger was a sharp air quality decline from an AQI of 179 (moderate category) on October 20 to 244 on October 21, occurring immediately after Dussehra.
•Municipal authorities and designated monitoring agencies including CAQM have initiated strict implementation, review, and monitoring protocols under the GRAP-1 framework.

NEW DELHI [NCRBuzz Wire] — ### Air Quality Deterioration Triggers GRAP-1

NEW DELHI — Stage-1 of the Graded Response Action Plan (GRAP) has been formally enforced across the Delhi-NCR region following a notable deterioration in regional air quality. Statutory monitoring records indicate that the Air Quality Index (AQI) slipped from a moderate 179 on October 20 to 244, categorizing it as 'poor' by 2 pm on October 21, immediately following the Dussehra festivities.

### Statutory Implementation and Monitoring

In response to the statutory triggers, designated monitoring authorities, prominently including the Commission for Air Quality Management (CAQM), have mandated that all relevant agencies implement, monitor, and review actions under Stage-1 of the framework. These incremental regulatory curbs are designed to stem further pollution accumulation through dust mitigation compliance, stricter enforcement on open burning, and targeted traffic regulations within the airshed.

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🏛️ Background Context

The enforcement follows recurring winter air pollution crises in the Delhi-NCR airshed, where statutory bodies deploy incremental regulatory curbs ranging from dust mitigation compliance to traffic regulations under successive GRAP stages.

💡 Citizen & Commuter Quick Explainer (FAQ)

Q1: What triggered the implementation of GRAP-1 in Delhi-NCR?

The air quality index deteriorated sharply from 179 (moderate category) on October 20 to 244 (poor category) by 2 pm on October 21, prompting immediate action.

Q2: Which authorities are responsible for monitoring and executing GRAP-1 measures?

All designated municipal authorities, enforcement bodies, and the Commission for Air Quality Management (CAQM) are tasked with implementing, monitoring, and reviewing the restrictions.

Q3: When did the restrictions come into effect?

The Stage-1 restrictions came into effect on October 21, immediately following the dip in air quality a day after Dussehra.

Verified Wires: The Hindu Delhi, Hindustan Times India Politics, Google News Health & Environment, Google News Delhi-NCR Original Wire Dispatch ↗

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