
Air Quality Index - American Lung Association
Sep 18, 2024 · The Air Quality Index, or AQI, is the system used to warn the public when air pollution is dangerous. The AQI tracks ozone (smog) and particle pollution (tiny particles from …
AQI Basics | AirNow.gov
The U.S. Air Quality Index (AQI) is EPA's tool for communicating about outdoor air quality and health. The AQI includes six color-coded categories, each corresponding to a range of index …
Air Quality Index Scale and Color Legend - aqicn.org
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. Active children …
Unhealthy Air Quality – What To Do | AQI Numbers - University …
Feb 25, 2022 · Unhealthy air quality and air pollution is measured by the air quality index (AQI). Unhealthy air quality is hazardous for people with lung conditions. Everyone can check the …
Air Quality Index (AQI) | AirNow.gov
Every day the Air Quality Index (AQI) tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern. Local air quality affects how you live and …
Patient Exposure and the Air Quality Index | US EPA
Dec 17, 2024 · What is the Air Quality Index (AQI)? What can I advise my patients to do when air quality is forecast to be unhealthy? How effective are air quality alerts in reducing adverse …
Figure 14: Air Quality Index (AQI) levels of health concern. - US …
This color-coded table shows generically how AQI values correlate with levels of health concern. For a copy of this AQI table, download the booklet, "Air Quality Index - A Guide to Air Quality …
Air Quality Index Report | US EPA - U.S. Environmental …
Jan 13, 2025 · This report provides Air Quality Index annual summary information, including maximum AQI values and the count of days in each AQI category. Read more about what's in …
World's Air Pollution: Real-time Air Quality Index
Check out the real-time air pollution map, for more than 80 countries. Can not find your city on the map? The GAIA air quality monitor uses laser particle sensors to measure in real-time PM2.5 …
Is 70 a bad air quality? - The Environmental Literacy Council
Feb 4, 2025 · The short answer is: No, an air quality index (AQI) of 70 is not considered “bad,” but it’s also not perfectly ideal. It falls into the “Moderate” category, which means while the air …