@TroposferaSep 7, 2023
7-septiembre-2023, Día Internacional del Aire Limpio por un cielo azul
#JuntosPorUnAireLimpio #DíaDelAireLimpio #CalidadDelAire #Salud
🔗https://www.cleanairblueskies.org/es
International Day of Clean Air for blue skies

7 September is the International Day of Clean Air for blue skies as designated by the UN General Assembly. Visit the official site for more.

International Day of Clean Air for blue skies