Delhi got some respite from pollution today as the air quality in the city improved to 'poor' category from the 'severe' category.<br />'' <br />'' The air quality index (AQI) in the national capital this morning stood at 254 as against an AQI of 412 yesterday.<br />'' <br />'' An AQI between 201 and 300 is considered 'poor', 301-400 'very poor' and 401-500 'severe'.<br />'' <br />'' The meteorological department has forecast mainly clear skies for the day with the maximum temperature likely to hover around 28 degrees Celsius. The minimum temperature was recorded at 16 degrees Celsius. <br />''