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AirVisual Knowledge Base

IQAir News

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

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

Chinese users: AirVisual Node/Pro Read More >

It is generated from ground-based monitoring stations, with a focus on measured PM2.5 Read More >

Wi-Fi network that requires web page authentication with /login/password? Read More >

Hourly data from a city’s stations are averaged, then used to calculate monthly & annual mean values. Read More >

Beyond the range of -10°C to ~+40°C., we don’t guarantee data validity or hardware’s protection. Read More >

There are many reasons why your indoor air quality might be worse than outdoor measurements. Read More >

Our air quality widgets let you freely display indoor or outdoor air quality data on your website. Read More >

To ensure proper sizing and fit, please measure from the bridge of the nose to the bottom of the chin Read More >

For some countries, the accuracy of the GFS, and air quality forecasts, is lower than other countries. Read More >

An Enterprise account includes 7 more features than a regular account. Learn more. Read More >