The American Lung Association released its State of the Air report April 23, and Houston ranked No. 7 out of 228 metropolitan ...

Cities in California make up a significant proportion of the country's most polluted metropolitan areas when it comes to air ...

Bee file photo [email protected] How bad is air pollution in California? Five California cities ranked among the 10 ...

Ludhiana: As Ludhiana earns the dubious distinction of being among the most polluted cities in the world, air quality data ...

Dhaka ranked third on the list of cities worldwide with the worst air quality with an AQI score of 168 at about 9:10am on Saturday ...

Which Australian city has the dubious honor of the “most polluted” air? You might be surprised. Despite Australia’s reputation for blue skies, certain urban pockets struggle with haze.

Five California cities ranked among the 10 most polluted metropolitan areas in the United States in the United States, in the latest American Lung Association’s 26th annual State of the Air Report.

The metro area ranked 15th overall for levels of smog, according to a new analysis from the American Lung Association.