Sneeze Attacks

I am having sneeze attacks, whenever I pass by some dusty surface, very less dust though. Changing weather also causes me sneeze attacks, resulting in flu, for a day or two. What's the cause? I need to find some specialist near DHA or near Johar Town

dr-faisal-rafiq-ent-specialist-lahore

Dr Asim Iqbal- national hospital defence

Dr Riaz- saadan hospital, johar town