New Delhi, Oct 17 (PTI) Delhi’s air quality remained in the poor category for the fourth consecutive morning on Thursday, according to the Central Pollution Control Board. The Air Quality Index (AQI) stood at 277 at 9 am. An AQI between zero and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, […]
Air quality in city poor
