D.C.-region ranks high in 'bad-air' days
If you think air quality in the Washington-Baltimore area is bad, you're not alone.
A new report says the region is among 15 nationwide with the largest number of bad-air days.
The 'Filthy 15' list was compiled by the National Resources Defense Council, which plans to release the rankings on Wednesday.
The group says a large percentage of households spend one of every four days breathing bad air due to ground-level ozone emissions in the 15 areas.
Other cities on the list are New York, Philadelphia, Los Angeles, Houston, Dallas and Denver.
In July, the Obama administration proposed a new rule to tighten restrictions on pollution from coal-burning power plants in the eastern half of the country, a key step to cut emissions that cause smog.
-- Associated Press
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