News » indoor PM2.5 monitoring

You check your city’s air-quality report before opening a window. The map looks green, so you assume the air in your kitchen, bedroom, or home office must be fine too. Then dinner starts. A pan heats up, the range hood stays off, and a monitor in the next room begins to climb. Both pieces of information can be valid. They are simply answering different...

Outdoor AQI is the warning. Indoor PM2.5 is the room-level answer. As U.S. wildfire activity rises in 2026, households and workplaces need practical ways to understand whether smoke-related particles are entering indoor spaces and whether actions like closing windows or running purification are actually working.