Atmotube Pro Portable Outdoor and Indoor Professional Air Quality Monitor [PM, VOCs, Temperature, Humidity and… Price: 149.00 (as of 08/04/2023 22:30 PST- Details)

REAL-TIME AIR QUALITY TRACKER – constantly monitors the environment around you, accurately measuring a wide range of PM, volatile organic compounds (VOCs) like acetone, methanol, formaldehyde, and harmful gases.
PM SENSORS detects PM1, PM2.5, and PM10 pollutants, such as dust, pollen, soot, and mold spores.
PORTABLE & WEARABLE: most compact air quality tracker which securely hooks on a bag or belt, with up to 7 days battery life so you can take it anywhere and test air pollution in or outside your home.