In counties that do not meet air quality standards, people are most likely to be exposed to Ozone particles in the air.
What are air quality standards?
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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