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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