Recommendations for Residential Indoor Air Quality Testing?

Backstory: I recently transformed my basement bedroom that has been used as a storage room to an office space since I now have a job that is fully remote. Ever since I started spending more time there, I noticed that I would get headaches if I spend more than 1 or 2 hours there. I have to ventilate the room with a fan next to the window and Im fine. I did some DIY tests and it doesnt seem like its carbon monoxide, mold, or any common VOCs.

Im looking to see if there are any recommendations for professional air quality testing that can test for a wide range of things that can be triggering these headaches? I am located in Utah County.