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Hazardous air gets trapped near the ground due to a phenomenon called temperature inversion, where a layer of cold, dense air acts like a lid and prevents pollution from rising.—Esha Mitra, CNN Money, 1 Apr. 2026 Due to a strong temperature inversion in the morning, the level of fine particulate matter in the air will be in the code orange range.—Patrick Damp, CBS News, 31 Jan. 2026 But if there is a layer of warm air between higher levels of the atmosphere and the surface (what is called a temperature inversion), that snow melts into rain.—Andrea Thompson, Scientific American, 26 Jan. 2026 Denver still has air pollution problems, due in part to its geography, which creates temperature inversions that can hold pollution near the ground.—Jenni Shearston, The Conversation, 20 Jan. 2026 See All Example Sentences for temperature inversion