take your rug outside and hang it and hit it with something like a broom handle from example to remove the dust.
Take your rug outside, find some way to hang it up and then beat it!
It is a surprisingly effective method to clean rugs and a good workout to boot!
Be sure you are far from your brand clean living room while doing it because dust will fly out everywhere .
If you have some kind of allergies, it’s preferable to wear protection (maybe wear old clothes and dust mask).