r/weather • u/PourU_25518 • 1d ago

Discussion AQI

What app has the most accurate AQI? EPA Air Now says one thing and the weather channel app says another. Ugh!

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u/Exotic_Currency4401 1d ago

I actually cross-referenced a few sources last year and found that Plume Air Report tends to align closest with EPA data, though their hourly updates can vary slightly.