Understanding the Numbers
Home Air Quality Monitors: A Plain Guide to the Readings
A home air quality monitor can track particles, gases, humidity and temperature. Learn what each reading means, what it can miss and how to use it.
Understanding the Numbers
What PM2.5, PM10, VOC, TVOC, humidity and radon readings mean, in plain words with the units explained.
Understanding the NumbersHow to Read the Numbers on an Air Quality Monitor
Learn how to read air quality monitor numbers, understand PM2.5, CO2, VOC, humidity, and temperature readings, and decide when to take a closer look.
Understanding the NumbersPM2.5 vs PM10: What Your Monitor Is Counting
PM2.5 vs PM10 explained: learn what each reading counts, why the numbers differ, and how to choose a home monitor that measures the particles you care about.
- Understanding the Numbers
VOC vs TVOC: What Is the Difference on a Monitor?
VOC vs TVOC explained: learn what each reading represents, why monitors show different labels, and how to compare changes in your indoor air.
Understanding the NumbersWhat Does PM2.5 Mean on an Air Quality Monitor?
Learn what PM2.5 means in air quality, what the reading measures, why it can change indoors, and how to compare it with other monitor readings.
Understanding the NumbersWhat Is a Good Humidity Level Indoors?
Learn what is a good humidity level indoors, how seasons affect readings, when to use a humidifier or dehumidifier, and how to track room humidity.