Delhi Air Quality Index: Pollution Gets Worse, Punjabi Bagh Under 'Hazardous' & RK Puram Under 'Unhealthy' Category'
It must be noted that the AQI between 0 and 50 is considered ‘good’, 51 and 100 ‘satisfactory’, 101 and 200 ‘moderate’, 201 and 300 ‘poor’, 301 and 400 ‘very poor’, and 401 and 500 ‘severe’.