In which areas do people with sensitivity to molds, pollens, and other pollutants have difficulty functioning?

Places with high allergens.

Explanation:

An allergen is any substance (antigen), most often eaten or inhaled, that is recognized by the immune system and causes an allergic reaction. re all common allergens,

Common conditions include eczema, asthma, hay fever, urticaria, food allergy, dust, pollen, pet dander, anaphylaxis etc