Fog messenger / household items

Background

Modern people hold's an umbrella not be exposed to polluted rain but they aren't aware the gravity of the contamination of rain. We must know about the graveness of air pollution and the make this happen,
I would like to suggest "Fog messenger" as a media that sends a message

Concept

Fog messenser in an umbrella that deliver messages about air pollution.
With the visual message, mist setting in the invisible umbrella, according
to the degree of pollution,it draws attention about seriousness in contamination