How is International Day of Clean Air for Blue Skies calculated?

This event is observed every year on 7 September.

When is International Day of Clean Air for Blue Skies 2559?

Name: International Day of Clean Air for Blue Skies
Start: 2559-09-07
End: 2559-09-07
Location: Worldwide

Promotes action to improve air quality and protect human health and the environment.

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When is International Day of Clean Air for Blue Skies 2559?: International Day of Clean Air for Blue Skies 2559 is on Friday, 7 September 2559.
What day of the week is International Day of Clean Air for Blue Skies 2559?: It falls on Friday.
How is International Day of Clean Air for Blue Skies calculated?: This event is observed every year on 7 September.