![]() See the Activity Guides to learn ways to protect your health when the AQI reaches unhealthy levels. Health warning of emergency conditions: everyone is more likely to be affected. All of these Red Yellow Blue background and pictures are for free download on Pngtree. Health alert: The risk of health effects is increased for everyone. Pngtree provides you with 826 free hd Red Yellow Blue background images, photos, banners and wallpaper. Some members of the general public may experience health effects members of sensitive groups may experience more serious health effects. The general public is less likely to be affected. 83,000+ Vectors, Stock Photos & PSD files. ![]() Members of sensitive groups may experience health effects. Find & Download Free Graphic Resources for Red Blue Background. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. AQI Basics for Ozone and Particle Pollution Daily AQI ColorĪir quality is satisfactory, and air pollution poses little or no risk.Īir quality is acceptable. The color makes it easy for people to quickly determine whether air quality is reaching unhealthy levels in their communities. 97,000+ Vectors, Stock Photos & PSD files. Each category corresponds to a different level of health concern. Find & Download Free Graphic Resources for Blue Green Background. 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. Find & Download the most popular Blue And Red Abstract Background Photos on Freepik Free for commercial use High Quality Images Over 1 Million Stock Photos. AQI values at or below 100 are generally thought of as satisfactory. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.įor each pollutant an AQI value of 100 generally corresponds to an ambient air concentration that equals the level of the short-term national ambient air quality standard for protection of public health. ![]() Available complications: Activity Alarms Astronomy (Earth, Moon. The higher the AQI value, the greater the level of air pollution and the greater the health concern. To return the face to its default state, tap the red elapsed time button. Thousands of new, high-quality pictures added every day. Think of the AQI as a yardstick that runs from 0 to 500. Find Blue Red Background stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. AQI is EPA’s index for reporting air quality.
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