Chicago Again Gets An F From Lung Association For Poor Air QualityThe 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.
Heat, Ozone Levels Prompt Warning For Asthma SufferersSweltering heat and unhealthy ozone levels are on tap for the rest of the day Saturday – a brew that usually is not good news for people with asthma.

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