Indoor air quality (IAQ) is shaped by the particles, gases, moisture, and airflow inside a space. A few steady habits can help you understand what is happening and decide what to explore next.
There is no single change that fits every building. Begin with likely sources and the way air moves through your space, then use suitable filtration or testing when it makes sense. Keep notes about location, timing, and activities so you can spot patterns and ask better questions.
Small, building-appropriate actions can make it easier to manage indoor air and investigate concerns.
Use products as directed, store fuels and chemicals safely, and avoid indoor smoke. When cooking or cleaning, use an exhaust fan that vents outdoors when available and appropriate.
Use operable windows or mechanical ventilation when outdoor air quality, weather, security, and building operation make it suitable. Keep ventilation systems maintained and do not block supply or return vents.
A correctly sized, properly installed filter can capture particles. Follow the equipment maker’s guidance for filter type and fit, and replace it on the schedule recommended for your system and conditions.
Some issues need a targeted test. Radon cannot be identified by smell or sight, so testing is the way to learn whether it is present. For persistent or complex concerns, consider a qualified professional.
Go deeper with plain-language guides, learn what monitoring can cover, or take a next step for your space.
Read the guide to common indoor air topics and practical ways to think through them.
Explore the IAQ guideContinue with the full reading edition for more detailed explanations and checklists.
Read the full guideUse the quiz to explore common indoor air concerns and see which topics may be relevant to your space.
Take the IAQ quizReview the monitored contaminants and the standards and data sources behind PurityGuardian reporting.
See what we monitorUse the filter selector to explore available filter options and check the fit for your needs.
Open the filter selectorStart an IAQ assessment to organize observations and review a report for your space.
Start a report