hi INDiA Copyright 2020
The air quality remained “moderate” in Faridabad but slipped to “poor” level in Gurgaon, Noida, Greater Noida and Ghaziabad on Saturday, according to a government agency. Presence of pollutants PM 2.5 and PM 10 remained high in the five immediate neighbours of Delhi, according to the air quality index (AQI) maintained by the Central Pollution Control Board (CPCB).