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An air quality index ( AQI ) is an indicator of how polluted the air is or how polluted it is forecast to become. It is based on air pollutant concentrations and health effects, and varies by country and pollutant. When you check the weather , do you also glance at the Air Quality Index ( AQI )? If not, you’re missing a key piece of information that directly impacts your health and well-being. Air pollution is a growing concern, especially in urban areas, and understanding the AQI can empower you to protect yourself and your loved ones. In this guide, we’ll break down what the Air Quality Index means, how it’s calculated, and what those numbers signal for your daily life. Let’s dive in!What Is the ... The Air Quality Index (AQI) is a standardized system used to measure and report air pollution levels in an easily understandable format. It provides a numerical scale that indicates the cleanliness or pollution level of the air, along with associated health advisories. AQI is a measurement of air pollutant concentrations and health risks in ambient air. Learn how AQI is calculated, what categories and colors represent, and how it differs from other systems.
