Head-to-head · Best Air Quality Monitors

AirGradient One vs Temtop M10 Real-Time Air Quality Monitor

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Temtop M10 Real-Time Air Quality Monitor comes out ahead by a narrow margin (4.0 vs 4.1). The gap is mostly about users seeking straightforward portability — read the strengths below before deciding.

AirGradient One

Ranked #3 in Best Air Quality Monitors

AirGradient One

4.0

$230

The AirGradient ONE is praised for its ease of setup, open-source design, and reliable sensor readings across CO₂, PM₂.₅, VOCs, and NOₓ levels. Reviewers highlight its seamless Home Assistant integration and affordability, with a fully assembled model priced at $230 and a kit version at $138. However, some users reported initial WiFi hotspot connection issues, and the device lacks a radon sensor compared to alternatives like the Airthings View Plus. Despite a negative Wired review focusing on display durability, many users, including those in educational settings, find it reliable and effective for monitoring indoor air quality.

Strengths

— Easy to assemble and configure with user-friendly instructions
— Integrates seamlessly with Home Assistant for full control and automation
— Provides accurate readings for CO₂, PM₂.₅, VOCs, and NOₓ sensors

Watch-outs

— Initial WiFi hotspot setup can be problematic for some users
— Lacks radon sensor compared to competitors like Airthings View Plus

$230 · Buy at airgradient.com Full review →

Higher ratedRanked #5 in Best Air Quality Monitors

Temtop M10 Real-Time Air Quality Monitor

4.1

$49

The Temtop M10 is a compact air quality monitor featuring dual sensors that measure PM2.5, HCHO, and TVOC levels with an accuracy deviation of ±14.96%. Reviewers praised its portability and battery life, though the smart app connectivity was problematic. The device runs on batteries or power and displays real-time data including AQI. While it offers solid performance, the app integration issues may deter some users. This monitor is best suited for those seeking a straightforward, portable air quality measurement solution without relying on smartphone connectivity.

Strengths

— Uses two built-in sensors for accurate air quality measurement
— Displays four different readings: PM2.5, TVOC, AQI, and HCHO
— Compact and portable design with battery operation

Watch-outs

— Smart app integration is buggy and difficult to set up
— Inconsistent user manual and setup experience

$49 · Check Price on Amazon Full review →

How they stack up

AirGradient One

The AirGradient One excels in ease of setup and Home Assistant integration, making it more user-friendly than the Airthings models, which use lower-tier sensors and lack radon detection. While it doesn't match the Qingping Gen 2's sensor accuracy, it provides a more affordable option with good performance across CO₂, PM₂.₅, VOCs, and NOₓ sensors, making it a strong alternative to the more expensive Airthings devices.

Temtop M10 Real-Time Air Quality Monitor

The Temtop M10 offers solid PM2.5 accuracy with ±14.96% deviation, but its app integration is problematic compared to the more reliable AirGradient One, which provides seamless Home Assistant integration. While it's portable and battery-powered, the inconsistent setup experience makes it less user-friendly than the Awair Element, which offers intuitive Wi-Fi connectivity and a better overall user experience.

Specs side-by-side

Spec	AirGradient One	Temtop M10 Real-Time Air Quality Monitor
Sensors	CO₂, PM₂.₅, VOCs, NOₓ	Laser PM sensor, Electrochemical HCHO sensor
Connectivity	WiFi 2.4GHz, Bluetooth LE, Bluetooth 5, Bluetooth mesh	—
Power Source	USB 5V 2A	Battery (up to 6 hours) + DC 5V
Display	OLED	TFT Color Screen
Dimensions	130 x 130 x 35mm	82 x 82 x 31 mm
Weight	350 grams	0.44 lb (0.2 kg)
App	AirGradient Dashboard, Home Assistant, Homey	—
Measurements	PM2.5, CO2, TVOCs, NOx, Temperature, Humidity	PM2.5, HCHO, TVOC, AQI

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