The United States Environmental Protection Agency recommends:
1. Reduce the amount of time spent outdoors.
2. Avoid high-intensity sports, such as football and basketball.
3. If possible, shift outdoor activities to the morning or evening when ozone concentrations are lower.
Click here to learn more about ozone: https://smartairfilters.com/en/blog/analysis-shows-ozone-levels-rising-across-china/
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