Thursday, November 12, 2009

Air Quality Colitis How Can Very Hot Weather Result In A Poor Air Quality?

How can very hot weather result in a poor air quality? - air quality colitis

As the weather temperature over 100 degrees, the air quality bad. Index of air quality is unhealthy. How can this be?

And cold temperatures around 20 degrees or less, the air quality bad. How is this possible?

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