“Delhi’s Air Quality Index turns toxic: AQI hits 471 on November 19, a threat to life and health”
“Delhi’s Air Quality Index turns toxic: AQI hits 471 on November 19, a threat to life and health” Pollution havoc in Delhi: AQI at 471 on November 19, having terrible effects on health and life Delhi’s Air Quality Index : Delhi, once known as “Delhi”, is today in the grip of pollution. Today, November 19, …