ozone

When officials declare an Air Quality Action Day due to high ozone levels, those who exercise vigorously outdoors are at increased risk of breathing problems, as are children, the elderly, and those with lung diseases such as asthma. (Credit: CBS)

Air Quality Alert Extended Through Wednesday

Air Quality Alert Extended Through Wednesday

08/20/2013

Weather

Partly Sunny Skies, Highs In Upper 80s For Afternoon

The showers Thursday morning have fizzled out, and the clouds will give way to some sunshine and seasonably hot temperatures.

CBS Chicago–08/23/2012

When officials declare an Air Quality Action Day due to high ozone levels, those who exercise vigorously outdoors are at increased risk of breathing problems, as are children, the elderly, and those with lung diseases such as asthma. (Credit: CBS)

This Summer Has Been One Of The Worst For Air Quality

This summer may be one of the hottest in recent memory, but it is also one of the worst for air quality.

WBBM Newsradio–08/03/2012

Coal-Fired Power Plant

Counties Ranked For Ozone, Particle Pollution

There is good news and bad news in the American Lung Association’s annual State of the Air report card.

WBBM Newsradio–04/27/2011