India, Oct. 31 -- Delhi's air quality improved slightly on Friday as the national capital recorded an Air Quality Index (AQI) of 288 at 6 am, compared to 373 a day earlier, data from the Sameer app developed by the Central Pollution Control Board (CPCB) showed.

Notably, the cloud seeding trials have been put on hold in the national capital due to insufficient moisture in the clouds and are scheduled to be conducted again in the coming days.

According to data from the app, the monitoring stations at Anand Vihar reported an AQI of 305 and Bawana 363, falling in the 'very poor' air quality category. Meanwhile, some other monitoring stations such as Burari Crossing (275) and Chandni Chowk (203) recorded 'poor' air quality.

An AQI between 0...