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System Alerts

https://www.airnow.gov/alert/4801

Wildfire Smoke in Multiple States

2023-08-01

Wildfire smoke continues to impact air quality in multiple states. Please use the Fire and Smoke map to check on wildfire smoke impacts in your area.

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Announcements

https://www.airnow.gov/announcement/4806

Fire and Smoke Map Version 4 Now Available

2024-09-05

The U.S. Environmental Protection Agency and the U.S. Forest Service are pleased to bring you this updated AirNow Fire and Smoke Map, with even more information you can use to protect yourself from wildland fire smoke. This new version features an updated display that allows you to get a quick glance at information, tailored user interfaces for both desktop and mobile, and faster loading. Learn more about the Fire and Smoke Map.

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Technical Assistance Document for the Reporting of Daily Air Quality | AirNow.gov

Technical Assistance Document for the Reporting of Daily Air Quality

This guidance is designed to aid local agencies in reporting the air quality using the AQI as required in the Code of Federal Regulations (CFR). For more information contact David Mintz at (mintz.david@epa.gov).
Updated May 2024

Technical Assistance Document for the Reporting of Daily Air Quality

Last Modified: May 2024 (27 pp., 974 KB)

AirNow.gov - Home of the U.S. Air Quality Index

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AirNow.gov - Home of the U.S. Air Quality Index

Home | Site Map | Contact Us | Accessibility