Asthma Trigger News Today : Breaking News, Live Updates & Top Stories | Vimarsana

i'm chris jansing live at msnbc headquarters in new york city. attack and defend. while donald trump and his allies blast away at special counsel jack smith, one of trump's former attorneys tries to explain away those classified documents. so, if they weren't originals, just copies, does that mean there's no crime? plus, the air in this city today isn't just nasty, it's historically bad. forcing the closure of everything from broadway to the bronx zoo. the thickening blanket of smoke now settling over philly, wilmington and beyond as well. so when is it going to go away? and a ...

The study involved 36 young individuals with mild asthma being exposed to three different conditions in controlled climate chambers at Aarhus University.

>> yesterday was definitely like kind of other worldly. like 2:00, i went out to get groceries and it was like yellow and orange and sent a picture to one of my friends and i was like no, this isn't a filter, this is what it looks like. >> in d.c., i actually kind of took a step back when one of our white house reporters described the air around the white house as tactile. so the obvious question is, how can people keep themselves safe? >> well, i think it's better to stay inside. that's the predominant message. this is a concern to children and elderly, particularly children with asthma. this...

Since 2007, Air Quality Awareness Week (AQAW) has been recognized throughout the United States. AQAW takes place this year from May 1st through the 5th and the theme for this year is Working Together for Clean Air. The annual event is supported by the U.S. Environmental Protection Agency (EPA) and AirNow, home of the U.S. Air Quality Index (AQI). Other partners include the Centers for Disease Control and Prevention (CDC), National Oceanic and Atmospheric Administration (NOAA), and numer...