Over 12,000 runners hit the streets for the Delhi Marathon despite the air quality index touching 400. Experts warn that running in such smog is equivalent to smoking several cigarettes — raising serious health concerns. 🏃‍♂️💨 . . Follow [onevisionmedia.in] to stay informed and updated❗ . #onevisionmedia #onevision #facts #trending #india #Delhi #Marathon #AirPollution #SmogAlert #HealthRisk #AQI