Possible Air Themed Science Fair Projects:
How does a wind meter work?
Air Pollution
Ozone Depletion
Tornadoes
From Gas to Rust: Measuring the Oxygen Content of Air
Make a Hygrometer with Strands of Hair
Hurricanes
How Does Atmospheric Temperature Affect the Water Content of Snow?
Weather and Climate in Your Neighborhood
Air Particles and Air Quality
Dry Spells, Wet Spells: How Common Are They?
Is it Getting Hot in Here? Investigate the Greenhouse Effect
Build Your Own Radon Detector
Mapping Troposphere Ozone Levels Over Time