The US Environmental Protection Agency issues a daily report for pollution levels called the Air Quality Index.
Why is air quality important?
- How local air quality affects You breathe alive. As Weather, it can change Every day or even an hour. USA Protecting the Environment Agency (EPA) and your local air quality agency Have worked to make Information about the outdoors Very easy to find air quality Understand the weather prediction.
- Important tool Efforts are air quality index or AQI. EPAs and local authorities use AQI to provide basic information about your local air quality, how unhealthy air affects you, and how You can protect your health.
What do the AQI values mean?
The purpose of the AQI is to help you understand what local air quality means to your health. To make it easier to understand, the AQI is divided into six levels of health concern:
- good=The AQI of your community is 0 and 50. The air quality is satisfactory with little or no increase. Health risk. •
- Medium= The AQI is between 51 and 100. Air quality It is an acceptable range. However, contamination in this area can be dangerous. Health concerns for very few people are moderate.
- Unhealthy for sensitive groups. With AQI values Between 101 and 150 who are members of a sensitive group, It can affect your health, but the general public is Almost unaffected Issue a health warning. That is, everyone can be affected with more serious health effects.
- hazardous = AQI values above 300 trigger health alerts Of an emergency. The whole population is equal. It is more likely to have serious health effects.
Therefore option D is the correct answer
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