Single-Gas vs Multiparameter Monitors: Compare the Channels, Not the Screen
Compare single-gas and multiparameter monitors by the evidence for each channel, sample location, data quality, maintenance and intended use.
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Air Quality Score vs Gas Concentration: What an Indoor Monitor Can Actually Tell You
A pollutant concentration is a named measurement; an air-quality score is a mapping. Compare indoor scores with the official US outdoor AQI and inspect a monitor's raw channels.
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