Best Air Quality Monitors · head-to-head

Airthings View Plus vs uHoo Smart Air Monitor

A sourced, side-by-side comparison. Airthings View Plus is cheaper at $299. Every spec and price links to its source.

Full spec sheet

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

Spec Airthings View Plus uHoo Smart Air Monitor
US price $299 $299
BrandAirthingsuHoo
Released2021-03-112017
Pm25 sensor Yes Yes
CO₂ sensor Yes Yes
Voc sensor Yes Yes
Radon sensor Yes No
Display screen 2.9 in ePaper, 296x128 px No screen - single RGB LED indicator
App connectivity Yes Yes
Power 6 AA batteries (up to 2 yr) or USB-C 5 V/2 A USB plug-in (Micro-USB)
Release year 2021 2017

Sources — Airthings View Plus: airthings.com (verified 2026-06-20). uHoo Smart Air Monitor: getuhoo.com (verified 2026-06-20).

What's the difference between the Airthings View Plus and uHoo Smart Air Monitor?

Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.

  • Radon sensor: Airthings View Plus true vs uHoo Smart Air Monitor false
  • Display screen: Airthings View Plus 2.9 in ePaper, 296x128 px vs uHoo Smart Air Monitor No screen - single RGB LED indicator
  • Power: Airthings View Plus 6 AA batteries (up to 2 yr) or USB-C vs uHoo Smart Air Monitor 5 V/2 A USB plug-in (Micro-USB)

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.

uHoo Smart Air Monitor

Only one whitelisted tester, TechHive, published a hands-on uHoo Smart Air Monitor review; no PCMag, Tom's Guide, or Wirecutter coverage exists, and non-whitelist sources (Consumer Reports, Modern Castle, Gearbrain) were excluded. TechHive rates the nine-pollutant sensor among the best it has tested but faults a dated app, broken smart-home support, and a $399 price it calls overpriced. (1 sourced review, 1 lab-tested.)

Praised: Accurate, sensitive sensor suite that adds ozone and NO2, rare among rivals; Temperature and humidity readings matched the tester's reference weather sensors; Actionable, plain-English notifications on how to improve air quality.

Flagged: Dated, uninspired, not-user-friendly app; Broken smart-home support (advertised Alexa skill missing); Overpriced at $399.

← All air quality monitors compared · Open data