Air Pollution | Centre for Science and Environment

Air Pollution


Winter pollution is back with a difference. City now faces the threat of multiple pollutants going up together

  • Not only are the tiny particles choking us, nitrogen dioxide levels have worsened; daily peaks of carbon monoxide are unacceptable, ozone pollution has persisted through the winter months. This has emerged from the official public information system on daily air pollution and monitoring. Some of these pollutants come predominantly from vehicles.

Tracking Winter Pollution in Delhi 2010

Time to breath easy is over, air pollution is reaching critical levels again this winter. CSE has reviewed the daily air quality data generated by the Central Pollution Control Board and others.
(Air pollution facts. pdf)

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Chhattisgarh: Industrial Jungle

CSE released its cover story on the rapid industrialisation in Chhattisgarh on November 15, 2010 at Raipur, Chhattisgarh. The event was organised by Ekta Parishad. The cover was based on a detailed analysis of the proposed industries in the state, their land and water requirement and whether that state will be able to meet this requirement.

Cloud view clears up

By: Smriti Sharma

Origin of aerosols dictates cloud shape

How cloudy is it outside? The answers may depend on the level of atmospheric pollution in one’s region. Cloud-forming microscopic particles, called aerosols, absorb and reflect solar radiation. These particles have the ability to modify cloud formation and encourage or suppress precipitation. They can be released from manmade sources like vehicles, industry, agriculture, and natural sources like sea salt, volcanic dust, sulphates from biogenic gases.

Be the change

Change is possible in our cities.  Public action has made this possible. Unhealthy air pollution spikes are lower in cities in the lead. They have saved lives. 

Please fill out the form

Pune City action

Vital stats
  • Vehicle no and growth rate: 593,000 (5.93 lakh); 11%
  • Modal share: Public transport (12%); IPT (7%); Walk (22%); Cycle (11%); Car (12%); Two-wheeler (35%)
  • Public transport accessibility index: 3.15
  • Service accessibility index: 54.35

Dirty air and kitchen politics

Our Moms and Grannies will rebel. They have just about upgraded their kitchens from smoky chulhas to clean lpg burners. 

Smog Digest

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.

City Action

Change is possible in our cities. Public action has made this possible. Unhealthy air pollution spikes are lower in cities in the lead.

Click here to see the map

Front Page Teaser: 

Public Dialogue: Combating air pollution in Kolkata

CSE organised a public dialogue (February 2009) in the city. Titled ‘Clearing the air: An agenda for action’, it brought together policy makers, experts and civil society groups, to discuss how a road-map for pollution control in the city, which has recently seen strong action from the judiciary to contain its rising air pollution.

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