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How historical data is incorporated

Learn how historical data is being incorporated in the ranking dataset. Read More >

Different number than official station

There are several reasons for this to happen. Learn more. Read More >

Why is the air quality ranking data different from governmental/official data?

Some outlier figures may affect the mean average produced by the government. Read More >

AirVisual Pro Dimensions and Weight

What are the AirVisual Pro’s dimensions and weight.? Learn more. Read More >

How yearly PM2.5 score calculated

Learn more about how the yearly PM2.5 yearly measurements for country/region are calculated. Read More >

Viewing PM2.5 data on the AirVisual Pro

Learn more about how to view PM2.5 data on the AirVisual Pro Read More >

How does AirVisual API timestamp work?

Learn more about how your AirVisual API timestamp works. Read More >

Android APK app installation permission

The Android AirVisual air quality app requires a number of permissions to operate. Read More >

Cannot register monitor's serial number

If you receive an error message when trying to enter your serial number, please contact us. Read More >

What do buttons on AirVisual Pro do?

Learn more about what each of the buttons on the AirVisual Pro do. Read More >

How can I rename my AirVisual Pro?

You can rename the device by changing the text in the "Device Name" then press "Apply Changes." Read More >

Screen reads different to the app?

Your device will take measurements at different intervals, depending on its sensor mode. Read More >

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