Delhi air quality shows slight improvement ahead of Diwali, AQI still in 'poor' category
October 29, 2024 10:27 ISTThe AQI in Delhi dropped to 272 on Tuesday morning. An 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'.