Despite years of government interventions, emergency restrictions and public outrage, Delhi continues to battle dangerously polluted air every winter. Why isn't there a lasting solution to a predictable crisis? Every winter, Delhi's AQI soars, governments trade accusations and stubble burning dominates. Weather changes; pollution recedes, causes remain. After decades of research, why do we still react. Temperature inversion, weak winds and multiple sources of emissions worsen Delhi's winter air pollution.