Also known as International Day for the Preservation of the Ozone Layer, World Ozone Day is observed on September 16 every year. The United Nations General Assembly designated this date for the observance in 1994, which commemorates the date in 1987 when nations signed the Montreal Protocol on Substances that Deplete the Ozone Layer. The ozone layer is a region in the earth’s stratosphere that absorbs most of the Sun’s ultraviolet radiation. In order to learn more about ozone depletion and to observe this day with everyone you know, download and share these World Ozone Day 2022 quotes.1