The National Ambient Air Quality Standards (NAAQS) provide the basis for assessing air quality nationally, determining pollution control priorities, and defining what we consider to be acceptable air quality to protect public health. They are framed and issued by the Central Pollution Control Board (CPCB) under the Air Act (1981).

The First Global Assessment of Air Pollution Legislation (GAAPL) presents the findings of a study of air quality legislation in 194 countries and the European Union.

The study intends to support the Delhi government, the Central Pollution Control Board (CPCB), and the Delhi Pollution Control Committee (DPCC) in identifying priority areas of interventions needed in controlling air pollution in Delhi during the winter season of 2021.

Fourth version of Airpocalypse report by Greenpeace India, has identified 231 Indian cities out of 287 with more than 52 monitoring days data in 2018 under National Ambient Air Quality Monitoring Programme (NAMP), where air pollution levels exceeded the 60 µg/m3 limits for PM10 as prescribed under National Ambient Air Quality Standards (NAAQS).

This report presents an updated overview and analysis of air quality in Europe from 2000 to 2017. It reviews the progress made towards meeting the air quality standards established in the two EU Ambient Air Quality Directives and towards the World Health Organization (WHO) air quality guidelines (AQGs).