Meaning & use
air quality
A measure of how clean or polluted the air is, particularly in relation to human health.
See it in a sentence
Air quality worsened across the city as smoke from wildfires drifted in.
The app sends an alert whenever air quality drops to an unhealthy level.
A note on using this word
Air quality is commonly reported using an index, such as the AQI, that ranks pollution levels from good to hazardous.
Words with a similar meaning
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