Explainer: What is AQI, and Why Should We Be Concerned When It is High
2025-01-14
The Air Quality Index (AQI) is a numerical scale used to measure and communicate air quality, indicating how clean or polluted the air is based on harmful pollutants. These include particulate matter (PM2.5 and PM10), ground-level ozone (O3), carbon monoxide (CO), sulfur dioxide (SO2), and nitrogen dioxide (NO2). The AQIContinue Reading