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Member Login Clean Air Topics State & Local Agencies Policy Stakeholders About NACAA Previous Next NACAA is Working to Advance The Protection Of Clean Air and Public Health "NACAA COVID-19" RESOURCES "NACAA COVID-19" RESOURCES "4YI" Technical Factsheets "4YI" Technical Factsheets Explore Clean Air Topics Explore Clean Air Topics Find State and Local Agencies Find State and Local Agencies Read About Our Positions Read About Our Positions Learn About NACAA Learn About NACAA Explore key clean air topics like major pollutants, their causes and their health effects. Explore Clean Air Topics Explore Clean Air Topics Explore key clean air topics like major pollutants, their causes and their health effects. Explore Clean Air Topics Find any state or local air pollution control agency in the country, as well as contact information and a web link for each. Find State & Local Agencies Find State & Local Agencies Find any state or local air pollution control agency in the country, as well as contact information and a web link for each. Find State & Local Agencies Read about the positions that NACAA has taken on important air pollution issues like making cars cleaner and reducing toxic pollution from industry. Read About Our Positions Read About Our Positions Read about the positions that NACAA has taken on important air pollution issues like making cars cleaner and reducing toxic pollution from industry. Read About Our Positions Learn about NACAA’s leadership, committee structure, staff and how to contact us. Learn About NACAA Learn About NACAA Learn about NACAA’s leadership, committee structure, staff and how to contact us. Learn About NACAA Clean Air News Back Next NACAA Comments on EPA’s Supplemental “Science Transparency” Proposal NACAA Submits Comments on EPA’s Draft “Begin Actual Construction” Guidance for NSR Permitting EPA Issues Final Rule Withdrawing MATS “Appropriate and Necessary” Finding and Setting RTR NACAA's Press Statement - Final SAFE Vehicles Rule Part Two NACAA Submits Written Testimony on FY 2021 Appropriations to Senate NACAA Submits Written Testimony on FY 2021 Appropriations NACAA Testifies in House Appropriations Hearing NACAA Submits Comments on Proposed Miscellaneous Organic NESHAP (MON) RTR NACAA Comments on Proposed Oil & Gas NSPS Changes NACAA Statement on Administration Rule Revoking CA Motor Vehicle Waivers House Appropriations Committee Approves Bill with $10-million State/Local Grant Increase NACAA Comments on Proposed Stationary Combustion Turbine RTR NACAA Submits Written Testimony to Senate on FY 2020 Appropriations NACAA Comments on EPA’s Draft National Program Guidance for FY 2020-2021 NACAA Comments on MATS “Appropriate and Necessary” Proposal EPA Issues Draft National Program Guidance for FY 2020-2021 and Seeks Comment NACAA Comments on Proposed Hydrochloric Acid RTR NACAA Submits Written Testimony on FY 2020 Appropriations NACAA Comments on EPA’s Proposed National Compliance Initiatives for 2020-2023 Administration Proposes FY 2020 Budget NACAA Testifies in House Appropriations Hearing View All What's Happening in Congress Clean Air Act and Related Issues - 116th Congress (2019-2020) Clean Air Act and Related Issues - 115th Congress (2017-2018) Clean Air Act and Related Issues - 114th Congress (2015-2016) Appropriations Transportation Reauthorization AIRNOW Check your air quality in real-time. Educational Tools Want some interesting ways to learn about air pollution and how to clean it up? Check out these games, videos and resources. Then put your knowledge to work! Did you know? Using a chainsaw for one hour emits the same amount of smog-forming emissions as driving 660 miles. About NACAA NACAA is the national, non-partisan, non-profit association of air pollution control agencies in 35 states, the District of Columbia, four territories and 116 metropolitan areas. NACAA exists to advance the protection of clean air and public health, and to improve the capability and effectiveness of state and local air agencies. NACAA 1530 Wilson Boulevard - Suite 320 - Arlington, VA 22209 T: (571) 970-6678 | 4cleanair@4cleanair.org Site Map Disclaimer Privacy Policy All Rights Reserved Clean Air Topics State & Local Agencies Policy Stakeholders About NACAA Board of Directors Our Committees Staff Job Postings Contact Us Member Login...