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Delhi-NCR sees a slight respite as GRAP-4 restrictions are lifted after air quality improves marginally. But with AQI still in the ‘very poor’ range, questions remain- has the worst passed, or is the smog just taking a pause?
GRAP-4 Restrictions Lifted in Delhi-NCR
New Delhi: The Commission for Air Quality Management (CAQM) on Tuesday announced the revocation of GRAP-4 restrictions in Delhi-NCR after a slight improvement in the region’s air quality. The decision comes after the Air Quality Index (AQI) in the capital dropped to 378, categorised as ‘very poor,’ from 410 on Monday and 440 on Sunday.
Stricter curbs under GRAP-4 had been implemented on Saturday, January 17, when Delhi and neighbouring areas experienced “severe” pollution levels. The measures had included limiting industrial activity, construction work, and regulating vehicular emissions in an attempt to curb the rising smog and toxic air.
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According to the CAQM, favourable meteorological conditions, particularly an increase in wind speed, have contributed to the modest improvement in air quality. “Owing to favourable weather conditions and enhanced wind dispersion, the AQI of Delhi has improved and was recorded as 378 (‘Very Poor’) on January 20, 2026,” the agency stated.
Forecasts from the India Meteorological Department (IMD) and the Indian Institute of Tropical Meteorology (IITM) indicate that the AQI is expected to remain in the ‘very poor’ range in the coming days, though no return to ‘severe’ levels is currently predicted.
In view of the improved conditions, the CAQM Sub-Committee revoked its order dated January 17, which had invoked actions under Stage IV (‘Severe+’ Category, AQI > 450) of the existing GRAP framework. The revocation came into effect immediately, relieving residents and businesses from the most stringent restrictions imposed over the weekend.
Officials clarified that while GRAP-4 measures have been lifted, actions under GRAP-III and lower stages will continue to remain in force. These include ongoing monitoring of construction activity, industrial emissions, and implementation of air pollution control measures in line with prevailing conditions.
Delhi chokes as severe AQI persists, December turns out more polluted than last year
Delhi’s air quality, though slightly improved, remains a concern, with AQI levels in the ‘very poor’ category continuing to pose health risks, especially for sensitive groups such as children, elderly citizens, and individuals with respiratory issues. Authorities have urged the public to remain cautious and follow safety advisories issued by health and environmental departments.
The CAQM emphasized the need for sustained efforts from both authorities and citizens to prevent pollution spikes in the coming weeks as winter smog continues to affect the region.
