New Delhi: Due to the rains and favourable wind speed in last two to three days, the air quality improved to 'satisfactory' levels in Delhi-NCR on Friday. The Air Quality Index (AQI) was recorded at 83 at 1.30 pm.
However, as per predictions, the wind speed is likely to dip by the Friday evening. The direction of the wind is also expected to change in the evening.
There was significant change in the air quality with most of the air quality monitoring stations recorded the AQI in 'satisfactory' level in Delhi. With AQI of 59, Pusa registered the best AQI in the national capital.
An AQI between 0-50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'. An AQI above 500 falls in the 'severe plus' category.
As per System of Air Quality and Weather Forecasting and Research (SAFAR), the AQI is likely to deteriorate on Friday evening. “It may slip to 'poor' category on Saturday,” SAFAR said.