Coughing & sore throat third trimester

Hi mommies. I Js came back from Jb, had to cut my trip SHORT because I couldn’t tahan the polluted air over there. Anyways I’ve developed cough , sore throat and running nose ( it burns when I breathe, yesterday I was coughing so much till it triggered a migraine. Quite worried also as my lungs hurts so much when I cough) Should I go see a doctor? Google is not very helpful and reassuring. It says might or might not affect baby. I’m currently 34 weeks pregnant and want to avoid any kind of medication. What do u guys advise? Any recommended home remedies?