Sobre los sensores detectores de partículas, de calidad del aire, conviene leerse bien las especificaciones y atender a la sugerencia que hace la casa:
3.The sensor is sensitive to liquid droplets - rain/fog/sprinkling. When the Dew Point is close to the outdoor temperature(T - D < = 2C), the PM2.5 reading will be very high(which is not the real condition). If mind, please don't purchase.
4.This sensor without waterproof, please keep it away rain.