News

How do I read the Air Quality Index? What the colors, categories mean
The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...
CBS News2y
What is air quality index? Breaking down AQI alerts and what it means for your health
A higher AQI value indicates a greater level of air pollution and a greater ... PM10 and PM2.5. PM10 particles generally have a diameter of 10 micrometers and smaller. This is typically dust ...
Air Quality: What’s the AQI and how do you check it?
The U.S. Air Quality Index (AQI) is the Environmental Protection Agency’s tool for reporting outdoor air quality and health.
National Geographic news25d
What the Air Quality Index measures—and what to do when it’s code red
This last category, also known as PM2.5 and PM 10 ... The AQI converts concentration measurements for each of these pollutants onto a common scale that communicates the level of hazard on any ...