The GRAP-3 measures include a ban on construction activities and restrictions on the operation of BS-III petrol and BS-IV diesel vehicles in Delhi and the National Capital Region (NCR).

Delhi's air quality remains severe, prompting GRAP-III restrictions under which stringent ban will be put in place on construction and demolition activities among others.

The GRAP 3 curbs in Delhi include ban on demolition and construction activities, and entry of certain vehicles inside Delhi-NCR, among other curbs, to prevent further deterioration of air quality.

Air pollution in India's national capital increased to 'severe' on an official index on Wednesday for the first time this season as temperatures and wind speeds dropped, reducing visibility and affecting some flights.

Every year, Delhi and northern states battle hazardous air during the winter months of October to January due to plummeting temperatures, smoke, dust, low wind speed, vehicular emissions and crop stubble burning. This time, experts say that the condition is likely to get worse in the coming days.

Air pollution choking New Delhi has ground outdoor work to a halt and disrupted air travel in the Indian capital.

On Wednesday, the national capital's air quality took a serious turn for the worse, with the Air Quality Index (AQI) skyrocketing to a staggering 418. This alarming number puts the capital squarely in the 'severe' category,

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Delhi surpassed Lahore as the world's most polluted city, with its air quality index reaching a 'severe' 418. The smog, a mix of fog and smoke, reduced visibility, causing flight diversions. Low wind speed,