The primary standards of the National Ambient Air Quality Standards (NAAQSs) are designed to .

Question

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The primary standards of the NAAQSs are designed to protect public health by establishing maximum allowable concentrations of criteria pollutants in outdoor air. These pollutants can have harmful effects on human health, such as respiratory and cardiovascular problems, and the primary standards aim to limit exposure to these pollutants to levels that are safe for human health.

The Primary Standards of the National Ambient Air Quality Standards