Stay updated with breaking news from Air asthma. Get real-time updates on events, politics, business, and more. Visit us for reliable news and exclusive interviews.
Air in two years. and for most of the country, it s a sudden and drastic change. in cedar rapids, iowa, a balmy 51 degrees saturday. less than 48 hours later, it was 2 degrees below zero, a temperature swing of more than 53 degrees. the wind is just ripping. it makes it ten times worse than it should be. reporter: this was chicago a month ago. you won t see any shorts on the street. chicago dropped below zero for the first time in almost two years. and a frozen lake michigan left even this poor dog stranded. this blast came in so quickly, it brought blinding snow. in michigan, whiteout conditions. you can barely see in front of you. reporter: if you re working outside like these construction workers, there s a real danger of hypothermia, frostbite, even cold air asthma. medical experts tell us breathing freezing air can trigger lung spasms. i can t feel my nose or ....
And for most of the country, it s a sudden and drastic change. in cedar rapids, iowa, a balmy 51 degrees saturday. less than 48 hours later, it was 2 degrees below zero, a temperature swing of more than 53 degrees. the wind is just ripping. it makes it ten times worse than it should be. reporter: this was chicago a month ago. you won t see any shorts on the street. chicago dropped below zero for the first time in almost two years. and a frozen lake michigan left even this poor dog stranded. this blast came in so quickly, it brought blinding snow. in michigan, whiteout conditions. you can barely see in front of you. reporter: if you re working outside like these construction workers, there s a real danger of hypothermia, frostbite, even cold air asthma. medical experts tell us breathing freezing air can trigger lung spasms. i can t feel my nose or fingers. reporter: and maybe even too ....