Due to the negligence of the authority and administration, the people of Greater Noida are not getting relief from air pollution. On Tuesday, the air quality index of Greater Noida has again crossed 400 and crossed the dark red zone. Greno was the most polluted city in the country with an AQI of 454. It was the most polluted day of this season. Due to the negligence of those responsible, only Greno air is flowing at extremely dangerous levels in NCR. Noida was the 5th most polluted city in the country and the second most polluted city in NCR.