Off gassing from carpeting can continue for several years or more and the worst is generally off loaded in the beginning years of the product use so that is the best time to take actions.
Rug off gassing time.
What vocs new carpet may emit are short lived and largely dissipate within 24 to 48 hours.
Older carpets can be more harmful than newer ones because many contain chemicals now banned in the manufacturing process.
If this is the case for you it is a good idea to open the windows after a carpet installation to allow the room to air out for a while.
If you smell and offensive odor do not buy that rug.
The easiest way to handle off gassing rugs is to avoid buying them in the first place.
Off gassing fades by itself over time but if you d rather not wait you can help.
So what can you do about off gassing rugs.
When you purchase a tufted area rug give it a sniff test.
That odor is what the rug itself will start to smell like within a year or so.
There really isn t a window of time where it stops being a health hazard.
That new carpet smell made fade but off gassing occurs in both new and old carpets.
And this occurs even faster with fresh air ventilation as well as vacuuming.