Delhi-NCR Pollution News: Air pollution in Delhi NCR has reached severe category. while AQI in Noida The level of pollution has crossed 500. The problems of the people of Delhi NCR have increased due to the dangerous level of pollution. NGT has taken cognizance of the increasing pollution in Delhi... Now NGT will hear the matter. Even in Ghaziabad the air is constantly poisonous. Here, AQI has crossed 400. Meanwhile, people are facing many problems due to bad pollution.