Air Quality Index - American Lung Association
Sep 18, 2024 · When AQI values are above 100, air quality is unhealthy. The higher the number, the more people are at risk of health harm. What Can You Do to Protect Yourself and Your …
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 …
AirNow.gov
AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and …
Patient Exposure and the Air Quality Index | US EPA
Oct 4, 2024 · AQI values at and below 100 are generally considered to be satisfactory. When AQI values are above 100, air quality is considered to be unhealthy, at first for members of …
Air Quality Index (AQI) Basics - AirNow
When AQI values are above 100, air quality is unhealthy: at first for certain sensitive groups of people, then for everyone as AQI values get higher. The AQI is divided into six categories. …
Patient Exposure and the Air Quality Index | US EPA
Dec 17, 2024 · When AQI values are above 100, air quality is considered to be unhealthy, at first for members of susceptible populations, then for everyone as AQI values get higher. The AQI …
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 …
What The Air Quality Index Means—And When You Should Stay Inside - Forbes
Jun 8, 2023 · 201-300: Above 200 is considered very unhealthy (color: purple) and the air quality becomes unhealthy for everyone, with people typically being advised to completely avoid …
World Air Quality Index (AQI) Ranking | IQAir
Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.