75% of Delhi-NCR homes have one viral illness case, says survey amid pollution India Today75% Delhi-NCR Homes Report One Flu Case Each As Polluted Air Chokes Delhi NDTVA Lot Can Happen In 24 Hrs: AQI Gets A Miraculous Boost The Times of IndiaDelhi Air Pollution: Air quality improves slightly but remains in ‘poor’ category The HinduDelhi breathes easier as sunshine and winds clear the smog — for now Hindustan Times Read More