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The Best Home Air Quality Monitor

Updated Dec 11, 2022
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Home air quality monitors are limited in their abilities—as well as their reliability—so if you’re concerned about the air quality inside your home, the first thing we suggest you do is measure what’s in the air outside, because outdoor conditions often determine indoor conditions. There’s no simpler way to do that than to use the Environmental Protection Agency’s AirNow mobile app, available free on iOS and Android. Searchable by zip code or place name, and presented on a map, AirNow’s air quality readings come from direct measurements by hundreds of monitors around the US, offering an air quality forecast in addition to real-time data.

AirNow, accurate, local, free of charge


Accurate, local, free of charge
The EPA’s free AirNow app is easily searchable, delivers air quality readings in almost every corner of the US, and lets you know in advance of upcoming air quality problems.
We recommend
SAF Aranet 4, reliable co2 monitoring

SAF Aranet 4

Reliable CO2 monitoring
The SAF Aranet 4 is one of the most accurate CO2 monitors available, and its measurements can act as an indicator of your indoor air quality.
Another good choice
Temtop M10 Air Quality Monitor, simple and solid

Temtop M10 Air Quality Monitor

Simple and solid
This device sits on a desk or table and presents indoor air quality readings of particulates, but we’re concerned about its VOC measures and its long-term durability.
Another good choice

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