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System Alerts

https://www.airnow.gov/alert/4796

AirNow Apps Experiencing Search Issues

2024-04-04

AirNow is experiencing technical issues with the location lookup function in both the iOS and Android versions of the AirNow app. The issue should not affect your saved locations. While we work to resolve the issue, you can find your air quality by selecting “Map” at the bottom of the app or by visiting the AirNow website at https://www.airnow.gov.

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Announcements

https://www.airnow.gov/announcement/3206

EPA Updates AQI for Particle Pollution

2024-02-07

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.

https://www.airnow.gov/announcement/3241

2024 National Air Quality Conference

2024-02-01

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.

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Air Quality Guide for Particle Pollution

This guide provides you with information about ways to protect your health when particle pollution levels reach the unhealthy range, and ways you can help reduce particle air pollution.

Air Quality Guide for Particle Pollution

Last Modified: 02/2023 (2 pp., 64 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