Modifiers matching air:

• home,
• indoor,
• warm,
• surrounding,
• ambient,
• cold,
• wet,
• maritime,
• clean,
• hot,
• external,
• atmospheric,
• cool,
• special,
• open,
• dry,
• compressed,
• outside,
• hazardous,
• dirty,
• moving,
• ordinary,

Simple categories matching compressed:

• material,
• refrigerant,
• fuel,
• alkane,
• gas,
• fluid,
• air,