Unhealthy Air Quality
Air Quality Index (AQI) Basics - AirNow.gov
AQI values at or below 100 are generally thought of as satisfactory. When AQI values are above 100, air quality is unhealthy: at first for certain sensitive ...
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 ...
Air Quality Index | American Lung Association
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 ...
A Guide to Air Quality and Your Health - AirNow.gov
“It's a code red day for ozone.” “Particle pollution levels are forecast to be unhealthy for sensitive groups.” You may hear these ...
Patient Exposure and the Air Quality Index | US EPA
When AQI values are above 100, air quality is considered to be unhealthy, at first for members of populations at greatest risk of a health effect, then for the ...
Figure 14: Air Quality Index (AQI) levels of health concern.
"Good" (0 - 50) Air quality is excellent and poses little or no risk. · "Moderate" (51 - 100) · "Unhealthy for Sensitive Groups" (101 - 150) · "Unhealthy" (151 - ...
Current Air Quality | Missouri Department of Natural Resources
Understanding the Air Quality Index Anchor ; Orange, Unhealthy for Sensitive Groups, 101 to 150 ; Red, Unhealthy, 151 to 200 ; Purple, Very Unhealthy, 201 to 300 ...
The Air Quality Index and how to use it, explained - Vox
Purple (201–300): The air is very unhealthy for everyone. Everyone should consider moving their activities inside. Maroon (301 and above): This ...
Key Findings | State of the Air - American Lung Association
Nearly 4 in 10 people in America live in places with unhealthy levels of air pollution. ... quality-assured nationwide air pollution data publicly available.
Air quality and health | Minnesota Pollution Control Agency
Exposure to air pollution can affect everyone's health. When we breathe in air pollutants, they can enter our bloodstream and contribute to coughing or ...
Bad Air Day | NIH News in Health
When the levels are high enough, you can get symptoms like coughing or throat irritation. Your eyes might water. Your chest might hurt when you breathe.” Ozone ...
Reduce the number of days people are exposed to unhealthy air
Exposure to air pollution is linked to many health problems, including cancer, respiratory diseases, and heart disease. Outdoor air pollution is also linked to ...
Particle Pollution and Health - New York State Department of Health
Particle pollution from fine particulates (PM2.5) is a concern when levels in air are unhealthy. Breathing in unhealthy levels of PM2.5 can increase the ...
Billions of people still breathe unhealthy air: new WHO data
A record number of over 6000 cities in 117 countries are now monitoring air quality, but the people living in them are still breathing unhealthy levels of fine ...
Air Quality Index (AQI) - AirNow.gov
Using the Air Quality Index · AQI Calculator · Air Quality Index Publications. Pollutants. Pollutants · EPA's Ozone Website · EPA's Good vs. Bad Ozone · Ozone ...
Guidelines to protect your health Air Quality Index Tips - NC DEQ
Air pollution can make asthma worse, trigger asthma attacks, or cause the onset of asthma. Even healthy people can have trouble taking deep breaths on “bad air”.
Air Quality Index (AQI) | Florida Department of Environmental ...
AQI values near or just above 100 indicate air quality is considered to be unhealthy for certain sensitive groups of people. Higher AQI values ...
The Air Quality Index Explained: What It Means and How to Stay Safe
A measure called the Air Quality Index gauges just how bad the air has become in a particular place. Readings of 100 or higher usually serve as ...
Clearing the Air on Weather and Air Quality - National Weather Service
There are many factors that can lead to poor air quality, but the two most common are related to elevated concentrations of ground-level ozone or particulate ...
Outdoor Activity Guidelines Based on Air Quality - dphhs
Unhealthy for sensitive groups*. Unhealthy. Very Unhealthy/ Hazardous. Visibility (miles). 13+. 9-13. 5-9. 2-5. Less than 2. Air Quality Index. (AQI). 0-50. 51 ...