Best Air Quality Monitors · head-to-head

Airthings View Plus vs PurpleAir Touch

A sourced, side-by-side comparison. PurpleAir Touch is cheaper at $209. Every spec and price links to its source.

Which is better: the Airthings View Plus or PurpleAir Touch?

On the specs we track, they're closely matched. The PurpleAir Touch is the cheaper at $209.

As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Airthings View Plus PurpleAir Touch
US price $299 $209
BrandAirthingsPurpleAir
Released2021-03-112023
Pm25 sensor Yes Yes
CO₂ sensor Yes No
Voc sensor Yes Yes
Radon sensor Yes No
Display screen 2.9 in ePaper, 296x128 px No screen - full-color LED ring (AQI color scale)
App connectivity Yes Yes
Power 6 AA batteries (up to 2 yr) or USB-C USB Micro plug-in, 5 V (adapter not included)
Release year 2021 2023

Sources — Airthings View Plus: airthings.com (verified 2026-06-20). PurpleAir Touch: www2.purpleair.com (verified 2026-06-20).

What's the difference between the Airthings View Plus and PurpleAir Touch?

Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.

  • CO₂ sensor: Airthings View Plus true vs PurpleAir Touch false
  • Radon sensor: Airthings View Plus true vs PurpleAir Touch false
  • Display screen: Airthings View Plus 2.9 in ePaper, 296x128 px vs PurpleAir Touch No screen - full-color LED ring (AQI color scale)
  • Power: Airthings View Plus 6 AA batteries (up to 2 yr) or USB-C vs PurpleAir Touch USB Micro plug-in, 5 V (adapter not included)

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Airthings View Plus

Two whitelisted testers (TechHive, Reviewed/USA Today) rate the Airthings View Plus the best overall home air-quality monitor for its seven sensors, radon detection, easy setup and app, and smart-home integration. Both flag its high price (~$300–$330) and the lack of an included AC power adapter; TechHive additionally dings the missing carbon-monoxide sensor and up-to-a-month sensor calibration. Neither published benchmarked accuracy numbers, so real-world sensor precision is untested in these sources. (2 sourced reviews, 1 lab-tested.)

Praised: Seven built-in sensors with comprehensive coverage including radon; Easy setup and an easy-to-navigate companion app; Smart-home integration (Alexa/Google) plus hub functionality.

Flagged: Expensive (~$300+), among the priciest options; No AC power adapter included in the box; No carbon monoxide sensor.

PurpleAir Touch

No sourced tester review yet.

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