Air quality in the national capital remained in the 'very poor' category on Monday. The Air Quality Index (AQI) of Delhi was recorded at 346, which falls under the 'very poor' category according to the System of Air Quality And Weather Forecasting And Research (SAFAR).
The dip in AQI was observed after the Central Pollution Control Board (CPCB) predicted a decline in the concentration of pollutants in the air.
The AQI of Chandni Chowk was recorded at 352 with higher concentration of PM 10 pollutants, which were recorded at 315 in Noida. AQI at Lodhi Road remained in the 'moderate' category with level of PM 10 pollutants being recorded at 182.
Air Quality Index (AQI) within 0-50 range is considered 'good', 51-100 is 'satisfactory', 101-200 is 'moderate' and 210-300 is said to be 'poor'.
AQI from 301-400 is termed 'very poor', 410-500 is considered 'severe' and above 500 is 'severe plus'.