India, Nov. 25 -- Delhi's air quality improved ever so slightly on Tuesday while an ash cloud from a volcanic eruption in Ethiopia triggered concerns of affect on Air Quality Index (AQI), which has remained close to the 'severe' category in the national capital and its adjoining cities for days now.

At around 8 am, Delhi's overall AQI stood at 362 - 'very poor' category - according to data in Central Pollution Control Board's (CPCB) Sameer app, which monitors air quality. Track latest updates on Ethiopian volcanic ash eruption

-Delhi AQI today: The AQI at all but one of the 39 monitoring stations of Delhi listed on Sameer app at 8 am remained below the 400 mark or the 'severe' level but remained in the 'very poor' category. At 416, Delh...