You’re offline. This is a read only version of the page.
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
Since data measured by AirVisual monitors are used in the ranking, how accurate are AirVisual data?
What are some of the major sources or causes of ambient air pollution?
Why are the WHO Air Quality Guidelines used when different countries have different ambient air quality requirement?
Why is the US Air Quality Index used in the ranking?
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
What is the data availability rule in the ranking?
Is missing data from stations common? How is the missing data treated in this ranking and which countries have bad data quality?
What are the steps taken to ensure the quality of data of the ranking?
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
What are the data sources for this air quality ranking?
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
<p class="no-margin">On the IQAir platform, all ground-based stations are attributed to a contributor and data source for data transparency and acknowle...
Why is PM2.5 chosen for this ranking?
Why is the air quality ranking data different from governmental/official data?
Why are some cities and countries not listed in this air quality ranking?