Please help us improve our site!
No thank you
Skip to main content
Cornell University insignia Cornell Law School Search Cornell
Support Us!
Search
  • About LII
    • Who We Are
    • What We Do
    • Who Pays For This
    • Contact Us
  • Get the law
    • Constitution
    • Supreme Court
    • U.S. Code
    • CFR
    • Federal Rules
      • Federal Rules of Appellate Procedure
      • Federal Rules of Civil Procedure
      • Federal Rules of Criminal Procedure
      • Federal Rules of Evidence
      • Federal Rules of Bankruptcy Procedure
    • U.C.C.
    • Law by jurisdiction
      • State law
      • Uniform laws
      • Federal law
      • World law
  • Lawyer directory
  • Legal encyclopedia
    • Business law
    • Constitutional law
    • Criminal law
    • Family law
    • Employment law
    • Money and Finances
    • More...
  • Help out
    • Give
    • Sponsor
    • Advertise
    • Create
    • Promote
    • Join Lawyer Directory


  1. LII
  2. State Regulations
  3. Arizona Administrative Code
  4. Title 18 - ENVIRONMENTAL QUALITY
  5. Chapter 2 - DEPARTMENT OF ENVIRONMENTAL QUALITY - AIR POLLUTION CONTROL
  6. Article 2 - AMBIENT AIR QUALITY STANDARDS; AREA DESIGNATIONS; CLASSIFICATIONS

Article 2 - AMBIENT AIR QUALITY STANDARDS; AREA DESIGNATIONS; CLASSIFICATIONS

  • State Regulations
  • Compare
  1. § R18-2-201 - Particulate Matter: PM [10] and PM [2.5]
  2. § R18-2-202 - Sulfur Oxides (sulfur Dioxide)
  3. § R18-2-203 - Ozone
  4. § R18-2-204 - Carbon Monoxide
  5. § R18-2-205 - Nitrogen Oxides (nitrogen Dioxide)
  6. § R18-2-206 - Lead
  7. § R18-2-207 - Renumbered
  8. § R18-2-208 - Reserved
  9. § R18-2-209 - Reserved
  10. § R18-2-210 - Attainment, Nonattainment, and Unclassifiable Area Designations
  11. § R18-2-211 - Reserved
  12. § R18-2-212 - Reserved
  13. § R18-2-213 - Reserved
  14. § R18-2-214 - Reserved
  15. § R18-2-215 - Ambient Air Quality Monitoring Methods and Procedures
  16. § R18-2-216 - Interpretation of Ambient Air Quality Standards and Evaluation of Air Quality Data
  17. § R18-2-217 - Designation and Classification of Attainment Areas
  18. § R18-2-218 - Limitation of Pollutants in Classified Attainment Areas
  19. § R18-2-219 - [REPEALED]
  20. § R18-2-220 - Air Pollution Emergency Episodes

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.


No prior version found.

State Regulations Toolbox



  • Accessibility
  • About LII
  • Contact us
  • Advertise here
  • Help
  • Terms of use
  • Privacy
  • LII logo