New Delhi:18 Jan 21 Air pollution levels in Delhi on Monday dipped slightly, leading to a marginal improvement in the overall Air Quality Index (AQI) which was in the “very poor” category, that experts have attributed to moderate surface winds dispersing surface pollutants. The overall Air Quality Index (AQI) in Delhi this morning improved to “very poor” category from the “severe” category that it had been for the past few days. The air quality is likely to remain in the same category for the next two days, according to System of Air Quality and Weather Forecasting And Research (SAFAR).PM10 pollutants were recorded at 237 and PM2.5 pollutants were recorded at 158, SAFAR said
