New data published by the Centre for Research on Energy and Clean Air (CREA) reveals that the overall 2023 air pollution levels in Jakarta were arguably the worst since 2019. Despite improvements between 2020 and 2022, the rise of pollution in 2023 is a notable setback.

The objective of this study is to conduct a comparative analysis of winter pollution PM2.5 levels in major cities in India, Including Mumbai, Varanasi, Patna, Delhi, Chandigarh, Lucknow, and Kolkata, for the years 2022-2023 and 2023-2024.

Bihar's Begusarai emerged as the world's most polluted metropolitan area while Delhi was identified as the capital city with the poorest air quality, according to this report by the Swiss organisation IQAir.

The Commission for Air Quality Management in National Capital Region and Adjoining Areas (CAQM) on February 27, 2024, issued an order regarding the Revocation of actions under stage I ('Poor' Air quality, AQI: 201-300 of GRAP.

This study proposes a complementing approach to existing scientific studies in generating hyperlocal information on the causes of pollution in a city. The methodology has been developed and refined in close consultation and coordination with DoE (Department of Environment, (GNCTD)), Delhi.

India’s air quality deteriorated in January 2024, as the winter season and low wind speed trapped pollutants near the surface, according to this report by the Centre for Research on Energy and Clean Air (CREA).

The five-year analysis of the programme presents a nuanced picture of the strides and persistent challenges in improving air quality.

The National Clean Air Programme (NCAP) was launched in India in 2019 and aimed to significantly enhance the air quality in India by 2024 by reducing PM concentration by 20-30 per cent, which in 2022 has been extended to 2026, aiming to have a 40% reduction in pollution levels compared to 2017.