Decisione live per Barcelona. Aggiornata ogni 30 minuti.
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Barcelona's coastal Mediterranean climate differs from Madrid's in one key way: humidity. Sitting on the coast, Barcelona has maritime moisture that makes summer heat feel more oppressive than equivalent temperatures inland. August regularly brings 30°C with 70–75% humidity — a combination that makes ventilation less refreshing than the temperature alone would suggest.
The Tramuntana wind from the north is Barcelona's natural air conditioning. When it blows — typically in spring and autumn — it clears pollution and drops humidity rapidly. Those are the days when opening windows genuinely transforms your apartment. The Xaloc, a hot south wind from the Sahara, does the opposite and offers no ventilation benefit.
Air quality in Barcelona is a persistent challenge: the city regularly ranks among Europe's most polluted due to dense traffic, port activity, and its sheltered valley geography. Summer ozone and winter particulates frequently push AQI above 50. The real-time AQI component of OpenWindow.live is especially important for Barcelona residents.
A Barcelona, i momenti migliori per ventilare sono di solito al mattino presto (5–8) e dopo il tramonto, quando la temperatura esterna scende sotto quella interna.
Sì, nella maggior parte dei casi. Aprire le finestre può abbassare la temperatura interna di 2–5°C in 30 minuti se l'aria esterna è più fresca.
Sopra l'80% di umidità, aprire le finestre rende l'aria appiccicosa. Meglio aspettare ore più asciutte.