AQI Scale Explained: What 0 to 500 Means | Filterbuy

Welcome to the audio version of the following web page: https://filterbuy.com/resources/air-quality/aqi-scale-explained/  In this episode, we explain how the Air Quality Index scale measures pollution and translates complex air-quality data into clear health categories. You’ll learn what each AQI range and color means, from good conditions to hazardous levels. We also discuss how pollutants such as wildfire smoke, fine particles, ozone, and traffic emissions can raise AQI readings. Understanding these levels can help children, older adults, and people with asthma or other respiratory sensitivities make safer decisions about outdoor activity. Building on that understanding, monitoring conditions in the United States and Canada, including Massachusetts and New York City, can help households recognize pollution-related symptoms and respond when air quality worsens. Choosing the correct filter size and MERV rating, comparing pleated and fiberglass filters, addressing mould and odours, and finding suitable filterbuy filters options through Amazon, Walmart, Target, and The Home Depot can support cleaner indoor air throughout the year. Related Reading: Learn more about how HVAC filters affect winter air quality.