CO₂ is often treated as a simple ventilation indicator, but research from Harvard and Lawrence Berkeley National Laboratory shows it directly affects cognitive function. In controlled office studies, decision-making scores dropped by 15% at CO₂ levels commonly found in meeting rooms — and by 50% at concentrations that still occur in poorly ventilated offices. For…
Carbon monoxide is often called the “silent killer” — it’s a colorless, odorless, tasteless gas produced whenever fuel is burned incompletely. Unlike CO₂, which is a natural byproduct of occupancy, carbon monoxide indicates that something in your home is not burning or venting properly. At high concentrations, CO can be fatal within minutes, making detectors…
PM10 is the “bigger sibling” of PM2.5. These particles are still far too small to see individually, but they are large enough to behave differently in the air and in the body — and they come from a somewhat different set of sources. In this guide What Does “PM10” Mean? PM10 vs. PM2.5: What’s the…
Radon is a naturally occurring radioactive gas you can’t see, smell, or taste — and testing is the only way to know whether it’s present at elevated levels in your home. Unlike a general indoor air-quality sensor reading, radon is measured with dedicated radon tests or continuous radon monitors, and elevated results usually require a…
Relative humidity rarely gets the same attention as CO₂ or PM2.5, but it quietly shapes almost every other aspect of indoor air quality — from mold growth and dust mites to how effective ventilation and filtration actually are. In this guide What Relative Humidity Actually Means The Indoor Humidity “Sweet Spot” When It’s Too Dry…
VOCs are one of the least visible categories of indoor air pollution — you usually can’t see them, and you often can’t smell most of them either, even though they come from dozens of everyday products already sitting inside your home or office. In this guide What Are VOCs? Where Do VOCs Come From? Why…
CO₂ is one of the easiest air quality metrics to measure indoors, and one of the most useful — not because it’s dangerous at typical indoor levels, but because it tells you how well a space is being ventilated. In this guide What Is CO₂, and Why Do We Track It Indoors? What Do the…
Commercial mushroom farms run one of the most tightly controlled indoor climates in agriculture. Unlike most crops, mushrooms are grown almost entirely in darkness, in rooms where carbon dioxide, humidity, and fresh-air exchange are managed on a schedule that changes with every stage of growth. In this guide Why Mushroom Houses Need Such Precise Air…
PM2.5 is one of the most frequently mentioned terms in air quality — and one of the least understood. It refers to particles so small that dozens of them could fit across the width of a single human hair, and their size is exactly why they matter so much for health. In this guide What…
Poultry houses are among the most demanding indoor environments to ventilate: dense bird populations, high moisture and ammonia output, and tight temperature requirements all have to be balanced at once. Get the airflow wrong, and the cost shows up directly in bird health and flock performance. In this guide Why Poultry House Air Quality Is…