Alternativa World Air Quality Indexu za Software as a Service (SaaS) z brezplačno licenco

• Software as a Service (SaaS)
  Vse platforme Windows Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS)
• Brezplačna licenca
  Vsako dovoljenje Brezplačna licenca Open Source licenca Trgovsko dovoljenje