Noida's air quality index (AQI) remained in the 'severe' category for the third consecutive day on Sunday, causing breathing difficulties for residents. The AQI for Greater Noida improved from 'severe-plus' to 'severe' on Saturday. Ghaziabad's AQI remained in the 'very poor' category. The Central Pollution Control Board data shows a significant increase in Noida's AQI in the past week. Restrictions have been imposed in Delhi under the Graded Response Action Plan, including a ban on truck traffic and diesel vehicles. Measures such as working from home and closure of schools may also be implemented.
