Super Tuesday earned its nickname because it’s the date most states hold their presidential primaries …
Read More »U.S. air quality concerns from Canadian wildfire haze, ozone concentrations
In the South and Midwest, 35 million residents are under air quality alerts due to high concentrations of ozone. In more than a dozen states, 65 million people are experiencing poor air quality from smoke due to Canada’s wildfires. NBC News’ Emilie Ikeda looks into the situation and its potential health impacts. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch …
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