In counties that do not meet air quality standards, people are most likely to be exposed to Ozone particles in the air.
<h3>What are air quality standards?</h3>
The air quality standards are specific norms that regulate the quality of atmospheric air in the external environments.
The fulfillment of air quality standards is fundamental for having a suitable quality of life and health.
According to the United States Environmental Protection Agency, the ozone standard is 0.08 parts per million (ml) by volume.
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The aurora lights mostly occur in the thermosphere. it is directly above the mesosphere and below the exosphere. temperatures in the upper thermosphere can range from about 500° C (932° F) to 2,000° C (3,632° F) or higher, and are about 200° hotter in the daytime than night. air density is low, so much of it is considered out space.