The US EPA, in February 2024, has changed the AQI breakpoint table. This official website shows that, linked to at the bottom of this note. The notice about the change is also included, as the second link below Essentially, here’s an example of how the change affects things. Let’s say you have an …

US EPA changed the AQI breakpoints - this fundamentally changes AQI values in a big way

dwhitemv (Doug White) November 11, 2024, 8:52am 2

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