AirGradient Forum

Constant offline sensor notifications + purple status LED with new AirGradient One

I set up a new AirGradient One indoors last week and connected it to the AirGradient dashboard. The monitor itself has been working great, but in two days I’ve gotten 27 email notifications telling me that it’s gone offline:
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The status LED is purple, which I understand means the monitor can reach the AirGradient servers but not actually talk to them: Understanding the LED Indicators on Your AirGradient ONE

Is this expected or is there some sort of outage?

Hi @Lantioch,

Thanks for joining! I would be happy to look into this for you if you can reach out to us at support@airgradient.com. If you can provide the serial number of your device, we can look into the root cause of this.

If you would like to disable the notifications, you can do this on the dashboard under ‘Users & Permissions’. Just untick the box for ‘email notifications’ under Actions → Edit.

I sent an email. I was also able to turn off the email notifications. Thanks!

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I haven’t been seeing any outage of the Dashboard.

Likely, your Wifi signal is low and is causing the AG to not be able to talk to the servers. In the Dashboard, you can click the 3 lines icon in the upper right and enable “Signal Strength” to get a new column "Signal (dBm) and see what your device is reporting. -70 or lower is a bad signal. I have some at -45 which is great, and some at -75 which work for me but isn’t fantastic. Another user was having disconnects with -79. So that gives you some numbers to compare your device to

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Thanks for the suggestion. It’s not a signal issue - the monitor is about 3 meters from the access point, and I am able to ping it without issues. The last time it was up, the signal was -38 dBm:

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I had the AirGradient One on an IoT-only VLAN that could be reached from the rest of my network but that could only reach out to the internet, not to the rest of the LAN. Disabling that and turning it back on fixed it, the monitor is back online.

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