Delhi’s AQI improves to ‘satisfactory’ from ‘very poor’ #Delhis #satisfactory

New Delhi, Feb 4 : Delhis Air Quality Index (AQI) on Friday improved to satisfactory and settled at 176 from the very poor category after the national capital received light rain accompanied by gusty wind the previous day.An AQI between zero and 50 is considered good; 51 and 100 satisfactory; 101 and 200 moderate; 201 and 300 poor; 301 and 400 very poor; 401 and 500 severe.

The level of both PM 10 and PM 2.5 pollutants in the national capitals air were under the moderate category."AQI today indicates mderate air quality, improved significantly from yesterdays very poor air quality due to rain and gusty wind that washed out particulate matter in air.A few spells of light rain are likely today improving AQI further but to remain within Moderate," the System of Air Quality and Weather Forecasting And Research (SAFAR) said in an update."From Fridat onwards, relatively calm surface winds are likely.

Air quality is likely to degrade back to Poor and then to Very poor as rate of accumulation of pollutants is likely to be more than that of ventilation," it added.According to the air quality and weather bulletin issued by the Ministry of Earth Sciences, "the air quality is likely to remain in moderate to poor category on February 5 and poor to lower end of very poor category on February 6"."The air quality is likely to deteriorate to very poor category on February 7, but remain largely in poor category thereafter," it added.rdk/svn/ksk/ #Delhis #satisfactory #poor #Delhi #Delhi #New Delhi .