severe

System of Air Quality and Weather Forecasting And Research (SAFAR) reported that the air quality in several regions of Delhi remained in the "severe category" with an overall air quality index (AQI) of 432 on November 8. People are recommended to refrain from participating in any outdoor physical activity. The AQI is still in the "severe" category, according to SAFAR, because of a huge input of stubble-related pollutants.