Current Announcements

EPA Updates AQI for Particle Pollution

EPA has updated the Air Quality Index (AQI) for particle pollution, at the same time the Agency updated the annual health-based standard for this harmful pollutant. AirNow will reflect the updates when they become effective -- 60 days after the rule is published in the Federal Register. Read about the AQI updates.


2024 National Air Quality Conference

EPA will host the National Air Quality Conference (NAQC) as a virtual only event on March 18-21, 2024.

Visit the NAQC webpage to learn more about this event and how to register.

Interested in speaking or submitting a poster? Find out more about the planned sessions and how to participate at the Call for Speakers page.

Please submit abstracts by the extended deadline of Noon on February 5th, 2024.