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Salvador sits in a tropical climate zone where high temperatures and very high humidity persist year-round. Monthly average temperatures typically range from 26–33°C with relative humidity between 75–90% across all seasons. In these conditions, outdoor air is often warmer and more humid than indoor air — meaning ventilation adds heat and moisture rather than removing it. Natural ventilation in Salvador serves mainly for air quality and CO₂ management rather than temperature reduction; air conditioning is the practical primary cooling tool.
The most useful ventilation windows in a tropical climate are during and immediately after rain events. Tropical showers temporarily lower both temperature and humidity, and the 30–60 minutes following a rainstorm are often the best outdoor conditions of the day. Morning hours before solar heating peaks — typically 5–8 AM — offer the lowest overnight temperatures of the day. Air quality is the primary variable to monitor: seasonal haze from agricultural burning, traffic particulates, and industrial pollution events can push AQI above safe ventilation thresholds even when temperatures would otherwise favour opening windows. The real-time AQI component of OpenWindow.live is especially important in tropical cities like Salvador.
En Salvador, los mejores momentos para ventilar son por la mañana temprano (5–8) y después del atardecer, cuando la temperatura exterior baja de la interior.
Sí, en la mayoría de los casos. Abrir las ventanas puede bajar la temperatura interior 2–5°C en 30 minutos si el aire exterior es más fresco.
Por encima del 80% de humedad, abrir ventanas hace el aire pegajoso. Mejor esperar a horas más secas.