The Centre for Science and Environment has reviewed the magnitude of the winter air pollution in Delhi and has pressed the alarm button. This time the winter pollution is not only high but is also different. While the serious concern over very high levels of tiny particles persists, more pollutants have also scaled the dizzy heights to add to the toxic cocktail.

Time to breath easy is over, air pollution is reaching critical levels again this winter. Centre for Science and Environment has reviewed the daily air quality data generated by the Central Pollution Control Board as well as the Delhi Pollution Control Committee and the public information system developed by the CPCB and Aria technologies.

Pollution control strategies for attainment of particulate standards must be able to provide convincing evidence that the relative importance of emission sources is understood and that the control programmes proposed are cost-effective and can be adopted by the community with confidence.

The Indonesia Air Quality Profile provides background information and findings on the: State of the Air: What is the air quality in cities? Which of the cities in the country are experiencing air pollution challenges or will soon enter into this situation?; Legal framework for air quality management: What is the air quality management system in place in cities?

This latest CPCB report provides details of the monitoring study conducted to measure Ozone levels, VOCs including carbonyls in ambient air in the city of Kolkata. It also includes recommendations for control of VOCs releases. 

Volatile Organic Compounds or VOCs play an important role in tropospheric chemistry by affecting the OH radical concentration, production of organic acids and photochemical oxidants.

Smog digest is a news service on vehicular pollution based on news clippings selected from leading Indian newspapers and newsmagazine. It also highlights the key developments from South Asian countries. The months witnessed lots of action and developments on the vehicular pollution front in India.

Read this in-depth citizen’s report on the city of Kanpur released by CSE as part of its ongoing initiative to build city action on clean air and mobility. It captures air quality & mobility challenges in the city and details agenda for a livable city.