The air quality in Delhi-NCR is deteriorating continuously. Whereas, the Air Quality Index (AQI) in Noida in UP is currently in the ‘very poor’ category 371, Gurugram (Haryana) in the ‘very poor’ category and near Dhirpur in the ‘severe’ category. 433 is on. The overall AQI of Delhi is currently in the ‘very poor’ category at 339.