impureness, impurity - the condition of being impure

environmental condition - the state of the environment

biodegradable pollution - pollution that is rendered harmless by natural processes and so causes no permanent harm

nonbiodegradable pollution - pollution that accumulates in the environment and may appear in the food chain

air pollution - pollution of the atmosphere; "air pollution reduced the visibility"

noise pollution, sound pollution - annoying and potentially harmful environmental noise

thermal pollution - harm to lakes and rivers resulting from the release of excessive waste heat into them

water pollution - pollution of the water in rivers and lakes

dirtiness, uncleanness - the state of being unsanitary

dirtying, soiling, soilure - the act of soiling something

dust contamination - the act of contaminating with dust particles