Economy Air quality in 'poor' zone in Delhi Updated : November 26, 2019 10:47 AM IST The city's air quality index was 254 at 9.42 am, according to the System of Air Quality and Weather Forecasting and Research (SAFAR). Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.