Written by Tanisha Cardozo || Team Allycaral National Desk
As Delhi’s air quality continued to remain in the ‘severe’ category on Monday, the Singapore High Commission in India issued an advisory for its nationals residing in the Delhi-NCR region, urging them to follow official health guidelines and remain cautious amid worsening pollution levels. According to the Central Pollution Control Board’s Sameer app, the overall Air Quality Index in the capital stood at 437 at 2 pm, with all monitoring stations recording readings of 400 or above.
The advisory was shared by the Singapore High Commission in New Delhi through its official X handle, noting that on December 13, 2025, the Indian authorities invoked Stage 4 of the Graded Response Action Plan, the highest level of pollution control measures in the Delhi National Capital Region. Under GRAP Stage 4, construction and industrial activities are heavily restricted, while schools and offices are encouraged to shift to a hybrid mode of functioning.
The High Commission highlighted that the Delhi government has advised residents, particularly children and individuals with respiratory or cardiac ailments, to stay indoors and to wear masks when stepping outside. In light of this, the High Commission urged Singapore nationals in the region to pay heed to the advisory and prioritise their health and safety.
The advisory also cautioned travellers about possible disruptions to flight operations due to low visibility caused by thick smog. The Indira Gandhi International Airport and several airlines have issued advisories regarding delays, cancellations and diversions, prompting the High Commission to ask travellers to stay in touch with their respective airlines for real-time updates. A contact point was also provided for Singapore nationals requiring consular assistance.
The severe air quality and dense smog have engulfed the national capital for the third consecutive day, significantly impacting daily life and air travel. The CPCB categorises air quality as ‘moderate’ between AQI levels of 101 and 200, ‘poor’ between 201 and 300, ‘very poor’ between 301 and 400, and ‘severe’ for readings above 400. AQI levels of 450 and above fall under ‘severe plus’, while a reading of 500 is considered seriously dangerous.
According to airport authorities, over 400 flights at Delhi’s Indira Gandhi International Airport were delayed, with 61 cancellations and five diversions reported. In an operational update issued at 2 pm, the Delhi airport said that runway visibility had improved and flight operations were gradually returning to normal. However, it cautioned that some arrivals and departures could still be affected and advised passengers to remain in contact with their airlines for the latest information.
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