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Terrestream vs IQAir AirVisual Pro

IQAir AirVisual Pro emphasizes PM2.5, CO2, AQI, and a large color display; Terrestream adds more indoor channels and source interpretation.

Updated 2026-06-10 1 min read

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Last reviewed June 10, 2026. IQAir describes AirVisual Pro as monitoring AQI, PM2.5, CO2, temperature, and relative humidity, with a 5-inch color LCD and free AirVisual app access.

Where IQAir fits. AirVisual Pro is a familiar choice when a visible PM2.5/CO2 display and indoor/outdoor AQI comparison are the main goals.

Where Terrestream differs. Terrestream adds VOC index, NOx index, multiple PM size bins, pressure, and light, then uses those channels to identify likely indoor scenarios.

Factual distinction. IQAir AirVisual Pro is AQI-forward with a large display. Terrestream has broader indoor sensing and explanations tied to household events.

References

  1. IQAir AirVisual Pro — archived snapshot (Internet Archive, 2026-06-10) web.archive.org
  2. IQAir - AirVisual Pro specifications www.iqair.com

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