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Soot

Traffic on the Dan Ryan Expressway. (Photo by Tim Boyle/Getty Images)

Chicago Again Gets An F From Lung Association For Poor Air Quality

The Chicago metropolitan area ranked 14th worst in the nation for 24-hour particle pollution – also known as soot – and 20th worst for high ozone levels – also known as smog – and annual particle pollution, according to the Lung Association.

04/30/2014

Metra locomotive (CBS File Photo)

Metra Taking Action To Curb Pollution On Trains

Metra has been working to identify the sources of air pollution on its trains, and now the commuter rail agency is taking action.

CBS Chicago–07/20/2011

Metra locomotive (CBS File Photo)

Funding To Improve Terminal Air Quality In Jeopardy

Metra is pleading with U.S. House Republicans not to eliminate federal funding that would be spent on improving the air quality at its downtown train terminals.

WBBM Newsradio–02/18/2011

Metra Train

Report: Metra Pollution Worse Than Thought

An examination of Metra’s pollution problems reveals riders may be at greater risk than originally believed.

CBS Chicago–02/14/2011

Metra Train

Metra To Test Air In Downtown Stations

Metra officials say they are satisfied that the air aboard its trains is not toxic, and now, the agency wants to test the air in three of its downtown terminals.

CBS Chicago–01/17/2011

A Metra Commuter Train (Tim Boyle/Getty Images)

Metra Vows To Fix Diesel Engine Pollution

Metra is looking for immediate remedies to the problem of pollution from diesel locomotives, particularly those idling in Chicago’s Union and Ogilvie stations.

CBS Chicago–11/09/2010

Metra locomotive (CBS File Photo)

Metra To Meet On High Soot Levels

The commuter rail agency takes issue with findings of air quality tests at its two busiest downtown terminals, and aboard trains leaving them.

WBBM Newsradio–11/08/2010