Summary:
"He also said the method of artificial rain is used only in severe-plus emergency situation. The overall air quality in the national capital was in the 'very poor' category on Tuesday, while some areas in the city experienced 'severe' pollution due to low wind speed, which is unfavourable for dispersion of pollutants, authorities said.According to the Central Pollution Control Board (CPCB) data, the overall air quality index in the city was recorded at 372, which falls in the 'very poor' category.Ashok Vihar, Anand Vihar, Bawana, Mundaka, Rohini, Sonia Vihar and Wazirpur, all recorded 'severe' air quality while 21 areas recorded 'very poor' air quality, it said.At 396, the overall air quality of Ghaziabad was the worst in the National Capital Region (NCR), just points below severe category. "At present, winds are unfavourable for dispersion but it may increase slightly to favour dispersion. Fire counts from stubble burning declined and will have marginal impact," the SAFAR said in a report.Authorities are mulling to use to artificial rain to clear the toxic air but cloud seeding would require certain meteorological conditions which are currently not favourable.A senior official said, "For artificial rain, we need clouds and currently the meteorological conditions are not favourable for inducing an artificial rain. Humidity is still high which is unfavourable..