Top recs for identifying local pollen?

I'm in MA and usually don't have seasonal allergies but I am SUFFERING right now. It's been 3 weeks of nasal congestion/ drainage. I finally started Zyrtec on Sunday, but today is so much worse. We had some rain but today is nice and I'm assuming that's why I'm suddenly so much worse. My throat is constantly needing to be cleared. Quick googles just give me basic websites that rate levels of tree pollen, ragweed, and mold. I need something with more specificity so I can be prepared in future springs! I'm going to try switching to Claritin tomorrow. I'm also 22 weeks pregnant and limited in options 🫠