Based on a common formula using the temperature & dewpoint, as recorded realtime from this weather station, an estimated height of the cloudbase is calculated.

It is not a accurate tool it is a relative indicator.

• 0-50 Bonne qualité de l'air
• 50+ Qualité de l'air modérée
• 100+ Malsain pour certains
• 150+ Unhealthy Air Quality,
            Précautions requises
• 200+ Très malsain,
            Conditions critiques
• 300+ Conditions dangereuses,
            La vie en danger