Meaning background air quality
What does background air quality mean? Here you find 2 meanings of the word background air quality. You can also add a definition of background air quality yourself
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background air qualitythe naturally occurring mixture of air in the absence of anthropogenic sources and extreme events.
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background air qualityThe level of a contaminant across the airshed from all sources. This includes contributions from natural sources (eg volcanoes, forest fires, wind-blown dust, etc) and from human-generated sources (eg [..]
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