29
Dec
As per the System of Air Quality and Weather Forecasting And Research,the air quality of Delhi stays in the 'poor' category, An AQI between 0 to 50 is considered as 'good', 51 to 100 as 'satisfactory', 101 to 200 as 'moderate', 201 and 300 as 'poor', 301 and 400 as 'very poor', and 401 and 500 as 'severe'. The air quality of Noida with AQI at 301 is in 'very poor' category and the air quality in Gurugram slipped down to the 'poor' category with AQI at 297. SAFAR in its bulletin said that the national capital is likely to witness…