The phrase "clear air" refers to air that is free from impurities, pollution or any obscurities. Some possible synonyms for this phrase include "purified air", "uncontaminated air", "fresh air", "clean air", "pristine air", "crisp air", "pure air", "unspoiled air", "healthy air", "pollution-free air", or "smog-free air". These synonyms highlight the importance of breathing healthy and pure air for our wellbeing and the environment. In light of air pollution crises and climate change issues, clear air is frequently mentioned in news articles, campaigns and policy debates as a crucial aspect of our quality of life and a key goal to strive for in sustainability efforts.