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Discover Ludwig"air quality index" is correct and can be used in written English.
You can use it to refer to a numerical value assigned to the air quality in a certain area or for a period of time. For example, "The air quality index for our city reached an all-time high this summer."
Exact(60)
The U.S. Environmental Protection Agency EPAA) developed the Air Quality Index (AQI), a public resource that provides national air quality standard concentrations for common air pollutants.
The Bay Area's air quality has been considered "unhealthy" for days, with an Air Quality Index of 238 on Friday and 179 Monday, per the Environmental Protection Agency.
India is changing the way it maps pollution, with an update to its air quality index.
Saturday evening saw a reading of 755 on the Air Quality Index (AQI).
I check the air quality index, and depending on that, decide what we want to do.
Not literally, at least without checking the air quality index; the smog can be brutal.
At 10am on Sunday Beijing's air quality index hit 360, according to figures from the US embassy.
According to the Environmental Protection Agency, anything above 51 on the Air Quality Index (AQI) is a "moderate" health concern.
The south coast air quality management district said the warning level on its air quality index was red.
At 4 30 p.m. in Noida, a suburb of Delhi, the air quality index for PM 10 was 882.
If you pondered the meaning of AQI at 41 Down, it's really A.Q.I., or Air Quality Index.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com