[header] How to clear nasal congestion quickly [title] Gently blow your nose. [step] Perhaps the easiest and quickest way to reduce nasal congestion is to simply blow your nose into a soft tissue. Unfortunately, it's not always possible to completely relieve congestion by merely blowing, but it's always a good starting point. 
Combining periodic nose blowing with some of the techniques listed below is likely the best strategy. [substeps] When blowing your nose, do it gently, otherwise you risk damaging the delicate nasal/sinus tissues and/or rupturing a small blood vessel.