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 smoke, power plants and factories, vehicle exhaust, and other sources), as well as four other widespread air pollutants.

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 values. The higher the AQI value, the greater the level of …

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 and adults, and people with respiratory disease, such as …

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 daily AIQ and take steps to protect themselves from air pollution.

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 breathe. Like the weather, it can change from day to day or even hour to hour.

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 effects in the real world?

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 and Your Health," that explains the AQI and the health effects of major air pollutants, at https://www.epa.gov/airnow/aqi_brochure_08-09.pdf .

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 this report. Use the query tool below to get AQI reports for one state, county, or CBSA at a time.

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 and PM10 particle pollution, which is one of the most harmful air pollutants.

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 quality is generally acceptable, it could pose some health concerns for a small group of unusually sensitive individuals.