Sentence examples for airsheds from inspiring English sources

The Clean Air Act divides the nation into so-called airsheds, and regions that consistently violate air-quality standards are subject to penalties including, ultimately, the withdrawal of federal highway funds, Mr. Cort said.

In the outlying provinces that are part of Beijing's airshed, there is a great deal of heavy industry.

"The regional airshed is so nasty," said Peter Iwanowicz, director of environmental health for the American Lung Association of New York State.