The national capital’s air quality on Thursday turned to the ‘severe’ category, with the overall air quality index (AQI) of Delhi recorded at 407.
According to the Centre-run System of Air Quality and Weather Forecasting (SAFAR), Delhi’s overall AQIwas recorded at 9 a.m. at 407, counted under the ‘severe’ category.
As per SAFAR, the AQI from 0-50 is considered ‘safe’. Between 51-100 ‘satisfactory’, between 101-200 is ‘moderate’ and 201-300 is ‘poor’, while 301-400 is ‘very poor’ and 401-500 is in the ‘severe’ category.