What are the opposite words for un-polluted?

When we talk about the antonyms of the word "un-polluted," the first words that come to mind are contaminated, polluted, dirty, and impure. These opposite words reflect the opposite of purity, cleanliness, and freshness. When we talk about polluted water, we refer to water that is unclean and possibly harmful to living organisms. Similarly, air pollution refers to an atmosphere filled with harmful gases, particles, and smoke. Un-polluted refers to something that is free from any contaminants or impurities, while its certain antonyms reflect the opposite of its definition. It is important to maintain a clean environment for healthy living.

Antonym of the day

most doordie
few, little.