Discover

Today Calendar On this day Word News

Browse

Continents Countries

Account

My days Credits

Daily digest

One email. Today's silliest day, quietly delivered at 8am local.

Day›International Day Clean Air

Loading day…

September 7·Every year

International Day of Clean Air for Blue Skies

UN observance since 2019. Air pollution causes about 7 million premature deaths a year — more than tobacco. About 99% of humanity breathes air worse than WHO guidelines.

Category: Awareness
Observed in: South Koreaofficial

On this day in history →See the calendar Learn more ↗

Also on this day

Full history →

Notable · 2011

Yak-Service Flight 9633, carrying the players and coaching staff of the ice hockey team Lokomotiv Yaroslavl, crashed on take-off near Yaroslavl, Russia, resulting in the deaths of 44 of the 45 people on board.

2021Bitcoin becomes legal tender in El Salvador.
2021The National Unity Government of Myanmar declares a people's defensive war against the military junta during the Myanmar civil war.
2019Ukrainian filmmaker Oleg Sentsov and 66 others are released in a prisoner exchange between Ukraine and Russia.