The air quality in Delhi improved to the 'poor' from 'very poor' category on Saturday morning, with the overall Air Quality Index (AQI) standing at 280, according to the System of Air Quality and Weather Forecasting And Research (SAFAR). ...
The air quality in Delhi improved to the 'poor' from 'very poor' category on Saturday morning, with the overall Air Quality Index (AQI) standing at 280, according to the System of Air Quality and Weather Forecasting And Research (SAFAR). ...