Frequently equivalent to the spiritual realm between the earth and the unseen heavenly realm, the symbol of government, and an emblem of the kingdom of Satan. In Eph. 2:2 he is called “the prince of the power of the air,” (note Eph. 6:12). A vial poured out upon the air denotes the destruction of all existing governments under the influence of Satan (Rev. 16:17).
[For a more in-depth study see eschatology “Study Series 14 Lesson 3 Resurrection: 1 Thess. 4:13-17”]