Delhi political blame-game over alleged air-quality data manipulation; Punjab stubble-fire spike fuels BJP-AAP-Congress clash. AAP alleges BJP-led Delhi govt manipulated AQI readings on Diwali by spraying water near monitors and adding green-area stations, risking public health. The Aam Aadmi Party (AAP) has accused the BJP-led Delhi government of manipulating air quality data, with party leader Saurabh Bhardwaj claiming that the Air Quality Index (AQI) crossed 3,000.