Pollen Count & Forecast for Barcelona

Barcelona’s spring season (February-May) is dominated by Cypress and Plane pollen; Cypress (Cupressus) is prolific on Montjuïc Hill and in Parc de la Ciutadella; Plane (Platanus acerifolia) is widespread across Eixample district streets. Pellitory-of-the-wall (Parietaria) is on stone walls in the Gothic Quarter; Olive (Olea europaea) is from Baix Llobregat orchards. Summer (May-July) has high Grass (Poaceae) levels from Collserola Natural Park and Besòs riverbanks.

Coastal humidity and sea breezes trap pollen against the Serra de Collserola mountains; narrow Old Town streets have limited air circulation. Winter has elevated Mould (Alternaria, Cladosporium) spore counts from damp maritime air and organic debris in city gardens.