Delhi records minimum temp of 8.5 deg C, AQI 'very poor'
The weather department has predicted mainly clear sky on Sunday, followed by ‘shallow' to ‘moderate' from Monday onwards.
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', 401 and 450 'severe' and above 450 'severe-plus'. (Image credit:PTI)