Forecasting India's Smog Season — Why One Air Quality Number Cannot Tell You What You Are Breathing
Between mid-October and mid-November, northern India's air deteriorates through a combination of crop-residue smoke, festival emissions and a shallow winter inversion. A single Air Quality Index figure collapses all of that into one number — but dust and combustion smoke behave differently, clear differently, and call for different responses. How VayuMet separates them, how visibility is estimated from aerosol loading, and what the method cannot tell you.