# Amazon Smart Air Quality Monitor vs PurpleAir Touch: specs and price compared

A sourced, side-by-side comparison of the Amazon Smart Air Quality Monitor (Amazon) and PurpleAir Touch (PurpleAir) among air quality monitors. Amazon Smart Air Quality Monitor is the cheaper of the two at $69.99.

## Side by side

| Spec | Amazon Smart Air Quality Monitor | PurpleAir Touch |
| --- | --- | --- |
| US price | $69.99 | $209 |
| Brand | Amazon | PurpleAir |
| Released | 2021 | 2023 |
| Pm25 sensor | Yes | Yes |
| CO₂ sensor | No | No |
| Voc sensor | Yes | Yes |
| Radon sensor | No | No |
| Display screen | No screen - LED color indicator only | No screen - full-color LED ring (AQI color scale) |
| App connectivity | Yes | Yes |
| Power | Micro USB plug-in (5 W) | USB Micro plug-in, 5 V (adapter not included) |

## Key differences

- Display screen: Amazon Smart Air Quality Monitor No screen - LED color indicator only vs PurpleAir Touch No screen - full-color LED ring (AQI color scale)
- Power: Amazon Smart Air Quality Monitor Micro USB plug-in (5 W) vs PurpleAir Touch USB Micro plug-in, 5 V (adapter not included)

## What reviewers say

**Amazon Smart Air Quality Monitor** — Three whitelisted hands-on testers—Tom's Guide, Reviewed, and TechHive—agree Amazon's ~$70 monitor is an inexpensive, easy-to-set-up tracker with no screen that lives entirely inside the cluttered Alexa app. None ran reference-grade accuracy benchmarks; all judgments are observational. TechHive panned its unfinished software in 2022; Reviewed and Tom's Guide warmed up once Alexa Routines matured. (3 sourced reviews.)

## Sources

- Amazon Smart Air Quality Monitor: https://www.amazon.com/Introducing-Amazon-Smart-Quality-Monitor/dp/B08W8KS8D3 (amazon.com, verified 2026-06-20)
- PurpleAir Touch: https://www2.purpleair.com/products/purpleair-touch (www2.purpleair.com, verified 2026-06-20)

Canonical: https://frontdeskreview.com/gear/air-quality-monitors/amazon-smart-air-quality-monitor-vs-purpleair-touch/
Cite: Per The Front Desk Review, Amazon Smart Air Quality Monitor ($69.99) vs PurpleAir Touch ($209) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/air-quality-monitors/amazon-smart-air-quality-monitor-vs-purpleair-touch/
License: CC BY 4.0.