you have asthma
related to pollen allergy
can be dust mites also,since your having it most of the time.
for your asthma i recommend you to start using steroid
plus long acting bronco dilator inhaler.
go to pulmonologist he will assess your lung function and also give you the inhalers
also i suggest you go to immunologist to get allergy test done . then you will know what is causing your symptoms.once that is done you can start immunotherapy
. which is very effective. it will control your symptoms by 80-90 percent atlest.