GoveeLife Smart Air Quality Monitor with PM2.5, WiFi, Temperature & Humidity Sensors, LED Display, 2s Refresh, 2-Year Data Storage, for Home & Office Wired

$39.99

Amazon.com

Amazon Smart Air Quality Monitor – Know your air, Works with Alexa

$69.99

Amazon.com

Temtop Air Quality Monitor with Indoor Thermometer & Thermo-Hygrometer – PM2.5, AQI, Temperature and Humidity Meter for Home, Office, Nursery, School, 60-Day Battery Life

$25.99

Amazon.com

Professional Indoor Air Quality Monitor with AQI Alerts, Portable Real-Time Detector for Home, Car, Plants & Pets (Dark Orange)

$139.99

Amazon.com

16 in 1 Air Quality Monitor Indoor 7" Large Display 9 AQI+7 Alerts, CO2 Monitor Air Quality Tester for CO2, TVOC, PM2.5 PM1.0 PM10, HCHO Temperature Humidity AQI & Time Air Quality Meter for Home

$75.98

Amazon.com

Lwyinp Air Quality Monitor Indoor, 10-in-1 Portable Smart Air Quality Tester for CO2 | TVOC | HCHO | AQI | PM2.5 | PM1.0 | PM10 | Temp | Humidity and Time for Home, Office, Cars, Hotel, School, Black

$29.99

Amazon.com

Professional Indoor Air Quality Monitor with AQI Alerts, Portable Real-Time Detector for Home, Car, Plants & Pet (Raven Black)

$139.99

Amazon.com

Temtop Smart Air Quality Monitor with Indoor Thermometer & Thermo-Hygrometer – PM2.5, AQI, Temperature and Humidity Detector for Home, Office, Nursery, School, App Connectivity, 60-Day Battery Life

$28.99

Amazon.com

Temtop Air Quality Monitor PM2.5 PM10 Particle Counter, Formaldehyde, Temperature, Humidity, TVOC AQI Tester for Indoor/Outdoor Air Pollution Detection w/Data Export

$169.99

Amazon.com

Professional Indoor Air Quality Monitor with AQI Alerts, Portable Real-Time Detector for Home, Car, Plants & Pet

$65.00

Amazon.com