International day of clean air for blue skies is observed on _____?

International day of clean air for blue skies is observed on _____?

نیلے آسمان کے لیے صاف ہوا کا بین الاقوامی دن کب منایا جاتا ہے؟
Explanation
  • International Day of Clean Air for blue skies, was designated 7 September by the United Nations General Assembly in 2019.

  • The United Nations General Assembly designated 7 September as the International Day of Clean Air for Blue Skies with the aim of raising awareness and promoting actions to improve air quality.
  • Theme 2022: The Air We Share