Goa, Nov. 13 -- Delhi continued to grapple with severe air pollution on Thursday morning, with the national capital recording an Air Quality Index (AQI) of 319, placing it in the 'very poor' category.

The high pollution levels have raised concerns over public health, particularly among children returning to schools as the Diwali holidays come to an end.

At this level, the air contains elevated concentrations of fine particulate matter, including PM2.5 and PM10, along with other harmful pollutants. These particles can penetrate deep into the respiratory system and, in some cases, enter the bloodstream, increasing the risk of respiratory and other health complications.

Children are particularly vulnerable to air pollution as their lungs ...