The following items are great for air spells:
Altar items like bells, feathers, incense and ornamental fans
Stones like clear quartz, amethyst, and fluorite
Herbs and oils of lavender, mint, pine and meadowsweet
If you are creating your own spells for air, try to use these materials. Your spells should include actions like writing and speaking aloud, inhaling scents, and ringing bells or chimes.