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Ambient Monitoring Technology Information Center (AMTIC)

AMTIC

The Ambient Monitoring Technology Information Center (AMTIC) provides information on air monitoring programs and methods, quality assurance and control procedures, and federal regulations.

Learn More About AMTIC
Ambient Air Monitoring

Ambient monitoring measures pollutants in outdoor air that are harmful to public health and the environment. States, tribes and EPA collect air data across the country.

Announcements

NetAssess2025 is Live

NetAssess2025 is intended to assist air monitoring agencies in developing their 5-year Ambient Air Monitoring Network Assessments as required by 40 CFR §58.10(d).

Use NetAssess2025
Sampling Schedule

The 2024 sampling calendar for TSP, PM₁₀, PM_2.5, and VOCs is now available.

Download Now
Final Rule

The final rule to revise 40 CFR part 50, appendix D, Reference Measurement Principle and Calibration Procedure for the Measurement of Ozone in the Atmosphere.

View the Announcement

Air Monitoring Networks

EPA, states and tribes work together to monitor air quality.

Training and Conferences

Stay current with emerging topics related to air monitoring.

Air Monitoring Methods

Access approved methodologies for air pollution monitoring.

Quality Assurance

Understand quality assurance procedures.

Regulations, Guidance and Monitoring Plans

Track current requirements and recommendations for air pollution monitoring.

Ambient Air Monitoring Assessments

Reports and dashboards of data.

Program Partners and Review

Access data and track other monitoring programs.

Additional Monitoring Information

Learn more from EPA, states, and other organizations.

Join the Mailing List

To join the ambient air monitoring listserv send a blank email to: join-airmonitoring@lists.epa.gov.