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.
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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)