<span style="color: #222222;">Delhi's air quality was recorded in the 'severe' category today due to reduced wind speed.<br />''</span><br />'' <span style="color: #222222;">Authorities have forecast rain in the next couple of days which they said might lower the pollution level. According to the Central Pollution Control Board (CPCB) data, the overall air quality index (AQI) in the city was 416, which falls in the 'severe' category.</span><br />'' <br />'' <span style="color: #222222;">It said, as many as 24 areas recorded severe air quality and seven very poor air quality.</span><br />'' <span style="color: #222222;">An AQI between 100 and 200 comes under the 'moderate' category, 201 and 300 is considered 'poor', 301 and 400 'very poor', while that between 401 and 500 is 'severe'.</span><br />