Delhi Air Pollution: Delhi's air quality has significantly worsened before Diwali, with the AQI reaching 391, raising concerns about post-festival pollution spikes. Data from last 5 years reveals a consistent trend of severe air quality deterioration after Diwali, despite restrictions and green cracker usage. ( AI-Generated image )Related ArticlesHighLightsDelhi's AQI reached 391, classified as 'very poor', before Diwali.Five-year data reveals consistent post-Diwali air quality deterioration.