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Air Cleaning Technology
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● Air Cleaning Technology
Why does AirVisual monitor PM2.5 and CO2?
These two pollutants frequently reach high levels indoors, and therefore require frequent monitoring.
Read More >
Credits for AirVisual earth rendering
Each region & country EPA do great work collecting and publishing the air quality data to the public.
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No near location / app picks wrong one
If you do have location services enabled, but don’t see nearest location, it may have been deleted.
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Remove or move a station in AirVisual
Locations/stations in the AirVisual app can be deleted or moved up the list. Learn more.
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I want to register my AirVisual Pro
You can register your device either through the AirVisual app or website. Learn more.
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AirVisual maintenance and recalibration
One part of the AirVisual Pro which can benefit from maintenance is the PM2.5 sensor. Learn more.
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How can I check the data source of a station?
Learn which different data sources AirVisual uses to report air quality for cities and stations, and how to identify them
Read More >
Accessing data through AirVisual's API
There are 3 different API plans, with different levels of data detail, and scaled call limits.
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Indoor/outdoor sensors in AirVisual Pro
Outdoor information on the Pro's screen is via Wi-Fi from your nearest official monitoring station.
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What is the difference between the US AQI and WHO air quality guidelines?
There are significant differences between the US AQI and WHO air quality guidelines. Learn more.
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My PM2.5 sensor has got 'stuck' on a very high number
It is possible for a large particle, such as a piece of dust, to get stuck in the sensor chamber.
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How PM2.5 sensor and CO2 sensor work.
The Node/Pro uses a light scattering laser sensor for PM2.5 measurements; an infrared lamp to measure CO2.
Read More >
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