Summer is the season to get outdoors and enjoy some fresh air. Yet it's also (oh, cruel irony!) when air pollution peaks in many regions and makes that fresh air hard to find. How should we deal when our city is having a bad air day?
First the good news: there's a whole lot less air pollution than there used to be. According to the EPA, concentrations of the major outdoor air pollutants have fallen dramatically in the last several decades. Carbon monoxide, for example, is down 82% since 1980. Ozone has dropped 28%. And particulates are off 29% since 2000.Read the full post ›