New Delhi:The air quality in the national capital marginally improved and moved to the 'poor' category on Sunday morning.
The System of Air Quality and Weather Forecasting And Research (SAFAR) portal of the Ministry of Earth Sciences reported an air quality index (AQI) of 256. The area near IIT Delhi logged an AQI of 266, the T3 terminal of the airport reported an AQI of 290, Lodhi Road area reported an AQI of 249.
As per the government agencies, 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', and 401 and 500 'severe'.
SAFAR, in its daily bulletin said, "For three days (12th, 13th, 14th), winds are likely to be low to moderate. Partially cloudy conditions and moderate mixing layer height causing moderate vertical mixing are likely to keep air quality within 'poor' during noon time or 'lower end of very poor' during the night and early morning hours for the next three days. From December 15 onwards, air quality is likely to improve due to relatively high wind speeds but within 'poor' or 'lower end of very poor' category."
On Saturday, the AQI stood in the 'very poor category' by reporting an AQI of 310.