Delhi Air Quality “Very Poor”, Index Crosses 380 Mark
The air quality of the national capital remained very poor for the third consecutive day on Saturday.
According to SAFAR, the rise in air pollution is because of the prevalence of calm surface winds and a decrease in ventilation coefficient which creates a conducive environment for pollutant accumulation.
An AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 is marked as severe/hazardous.