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Air Quality Monitors from USD 169 to 6k use the same low-cost PM Modules (www.airgradient.com)

submitted 11 months ago* (last edited 11 months ago) by [email protected] to c/[email protected]

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A few weeks ago, I wrote quite a popular blog post titled “Air Quality Monitors: When Paying More Does Not Get You More Accuracy” with the key takeaway that the accuracy of PM2.5 does not get better the more expensive the monitor is. One of the things that this post did not dive in was WHY the accuracy is very similar across all these monitors.

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