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How air quality data contributors and sources are credited on the IQAir website and app?
IQAir is able to provide the world’s largest database of global air...
Why are some data contributors “anonymous”?
On the IQAir platform, all ground-based stations are attributed to ...
How is air quality data validated before publishing on the AirVisual platform?
The AirVisual platform aims to centralize and aggregate as much air...
What does the asterisk (*) mean on some locations' AQI?
Whilst the world's coverage of ground-based air monitoring stations...
What is a "Share Code" and where can I find it?
A share code is a unique code for providing others access to the da...
Where does AirVisual get its air quality data from?
AirVisual’s unique real-time AI-based (Artificial Intelligence) sys...
Apple Watch Troubleshooting
IQAir AirVisual's latest Apple Watch app release will help to ensur...
AirVisual Monitor Setup Guide
Follow this 5-step setup video [https://www.youtube.com/watch?v=AbL...
How can I update my AirVisual Pro’s software?
When new software is available, a screen will appear on your AirVis...
How to connect the AirVisual Pro to Wi-Fi?
To connect the AirVisual Pro to Wi-Fi, you have 2 options: 1- Usi...
What are the steps taken to ensure the quality of data of the ranking?
Outlying values in a city which has multiple stations is filtered o...
How does the Live Major Cities Ranking work?
The live Major Cities Ranking [https://www.iqair.com/in-en/world-a...
Why was my air quality bad yesterday and today its good?
Air quality changes from day to day. Many factors such as the pollu...
Why are the WHO Air Quality Guidelines used when different countries have different ambient air quality requirement?
The WHO air quality guidelines (AQGs) are intended for worldwide us...
Download the AirVisual Pro's data using Samba
Start by connecting the AirVisual Pro to a Wi-Fi Network. Connect y...
Why do I need an air monitor when my air purifier already has a PM2.5 sensor inside?
Some air purifiers may contain a PM2.5 sensor, with the purpose of ...
Why does my data differ from the PurpleAir platform and IQAir platform?
In order to improve the accuracy and reliability of the data report...
How to claim your PurpleAir sensor
PurpleAir sensors are seamlessly integrated into the IQAir platform...
AHAM & CADR (FAQ#14)
AHAM & CADR (FAQ#14) AHAM testing is generally flawed. It calls its...
Access AirVisual's AQI, Air quality and pollution API
In order to offer the most value possible through our ever-growing ...
How far back does the data go?
Data for the Air Visual Series goes back up to 5 years. You can fi...
What power is used for the AirVisual Outdoor?
The AirVisual Outdoor uses standard power. It's connected via the s...
How do I associate a new monitor with my existing public station?
1. Remove the existing monitor. 2. Install the new monitor at the...
My city's data is unavailable on the AirVisual map
AirVisual currently provides data for over 80,000 locations worldwi...
Air quality ranking disclaimer
This forecasting model, and all resulting air quality predictions, ...
Does the AirVisual Pro have an indoor & outdoor sensor?
The AirVisual Pro only comes with one PM2.5 sensor. Outdoor informa...
The CO2 levels are high in my bedroom during the night, what should I do?
The best is to measure your bedroom and your children's bedroom to ...
Air quality forecast disclaimer
This forecasting model, and all resulting air quality predictions, ...
Why are some cities and countries not listed in this air quality ranking?
There are several reasons for a city or a country not being part of...
My AirVisual Pro shows 'No recent data' for Outdoor air quality
If your AirVisual Pro's Indoor/Outdoor comparison screen stops disp...
Is missing data from stations common? How is the missing data treated in this ranking and which countries have bad data quality?
It is not uncommon for hourly measurements to be missing from sourc...
How can I access the PM10 measurements from my AirVisual Pro?
The AirVisual Pro's PM2.5 sensor also contains an internal PM10 sen...
How accurate is AirVisual’s air quality data?
Machine learning algorithms take care of validating and calibrating...
Battery stays at 0% when charging and turns off when unplugged
If an AirVisual Pro is kept disconnected from power for an extended...
AirVisual Outdoor sensors modules should be replaced how often?
AirVisual Outdoor sensors modules should be replaced how often?
How many cities have air quality data on the AirVisual Platform?
The AirVisual Platform has air quality data from more than 10,000 c...
Can I go outside when its moderate air quality?
Moderate AQI levels range from 51-100. Unusually sensitive people s...
Higher pollution indoors than outdoors?
There are many reasons why your indoor air quality might be worse t...
Why does the AirVisual Pro monitor PM2.5 and CO2?
The AirVisual Pro, with it's large screen display, was designed to ...
Why is the AirVisual Pro's screen reading different to what is shown on the app?
Sometimes, it may be the case that your AirVisual Pro's screen may ...
AirVisual Pro Dimensions & Weight
The AirVisual Pro's dimensions are 21.3cm x 11.5cm x 8.3cm. Dimensi...
How many sensor types does AirVisual support?
AirVisual supports more than 50 different sensor types; it is flexi...
AirVisual Outdoor specifications state that it monitors PM1 but we do not display it. Where can it be found?
PM1 can be found on the Web Dashboard, which is an optional subscri...
How can I see the PM2.5 concentration in µg/m3 on my AirVisual Pro?
By default, the Node/Pro displays only the AQI [https://www.iqair.c...
AirVisual Pro maintenance and sensor recalibration
The AirVisual Pro is an industry-grade air pollution monitor [http:...
Since data measured by AirVisual monitors is used in the ranking, how accurate is AirVisual data?
In order to check the accuracy of AirVisual devices, AirVisual cond...
How many countries are on the AirVisual Platform?
There are over 140 countries, regions and territories are on AirVis...
Who owns the data produced from my purchased AirVisual Pro and/or AirVisual Outdoor monitors?
As a device owner, any data generated from your device is owned by ...
Which LCS are supported to publishing data to the AirVisual Platform?
We support all IQAir and Purpleair sensors. We also can add Clarity...
What is the differences between PurpleAir and Clarity data and our data?
Quality assurance validation testing is performed on data generated...