### Question
What does NAAQS mean?


### Answer
**NAAQS** has the following meaning in *42 U.S.C. § 7602*:

> national ambient air quality standard

#### Citation:
  - *42 U.S.C. § 7602*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Subchapter Referred to in Other Sections**

