sporeadically
Refers to da random frequency dat you have coughing-fits from stepping on puffballs while strolling in da woods.
Enjoying da Great Outdoors is all well and good, and can indeed be very beneficial to your health. If you have allergies to pollen and mold, though, you might be wise to first consult da locals in da general area where you wanna go exploring, and inquire about what kinds of allergen-emitting plants are in da fields and woods, and where said problematic organisms are located, so dat hopefully you can avid sporeadically hacking up a storm during your treks.