õhusilmaõhu
Õhusilmaõhu is a term used in Estonian-language discussions to refer to the air that fills Earth's atmosphere. While not a fixed technical term in international meteorology, it appears in educational materials to describe the properties and composition of atmospheric air and its role in weather, climate, and health.
Etymology and scope: The word combines elements meaning air and sky. In practice, its use varies: sometimes
In meteorology and environmental science, discussions of õhusilmaõhu encompass composition (major gases such as nitrogen and
Measurement and study: Observations come from weather stations, balloons, aircraft, ground-monitoring networks, and satellites. Instruments measure
See also: atmosphere, air quality, meteorology, atmospheric chemistry, climate science.