There are many things in our day to cay en]virinmoent that could potentially harm our lungs, a couple of those things that we may not think twice about are candles and air fresheners. Although those candles and air fresheners may smell good, they are filled with chemicals and can really give the lungs a beating. There are so many chemicals in other stuff, like laundry soap and fabric softener, just try walking outside while your clothes are drying and the smell from your laundry will be filling the neighborhood.
One of the first things you need to do is to change the air filters. They are traps for dirt and must stay clean.
You will also want to think about getting a heating pad and taking plenty of hot showers. Stream is really healing, and if you add some eucalyptus oil to a facial steamer, you are really going to help this situation. You can also lay on a heating pad, the lungs love the heat, and it really opens them up.