⚡Air Quality in Delhi Slips to 'Severe' Category, AQI Stands at 430
By ANI
As per the government agencies, and AQI between zero 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'.