Please create an employee account to be able to mark statistics as favorites.
Then you can access your favorite statistics via the star in the header.
Register now
Please authenticate by going to "My account" → "Administration".
Then you will be able to mark statistics as favourites and use personal statistics alerts.
Authenticate
Save statistic in .XLS format
You can only download this statistic as a Premium user.
Save statistic in .PNG format
You can only download this statistic as a Premium user.
Save statistic in .PDF format
You can only download this statistic as a Premium user.
Show source references
As a Premium user you get access to the detailed source references and background information about this statistic.
Show details about this statistic
As a Premium user you get access to background information and details about the release of this statistic.
Bookmark statistics
As soon as this statistic is updated, you will immediately be notified via e-mail.
Yes, save as favorite!
...and make my research life easier.
Change statistics options
You need at least a Single Account to use this feature.
Basic Account
Get to know the platform
You only have access to basic statistics.
This statistic is not included in your account.
Single Account
The ideal entry-level account for individual users
- Instant access to 1m statistics
- Download in XLS, PDF & PNG format
- Detailed references
$59 $39 / Month *
in the first 12 months
Corporate Account
Full access
Corporate solution including all features.
* All products require an annual contract; Prices do not include sales tax.
The most important statistics
The most important statistics
The most important statistics
The most important statistics
The most important statistics
Further related statistics
Learn more about how Statista can support your business.
IQAir. (March 19, 2020). Average PM2.5 concentration of the most polluted countries in the world in 2019 (in micrograms per cubic meter of air)* [Graph]. In Statista. Retrieved October 20, 2020, from https://www.statista.com/statistics/1135356/most-polluted-countries-in-the-world/
IQAir. "Average PM2.5 concentration of the most polluted countries in the world in 2019 (in micrograms per cubic meter of air)*." Chart. March 19, 2020. Statista. Accessed October 20, 2020. https://www.statista.com/statistics/1135356/most-polluted-countries-in-the-world/
IQAir. (2020). Average PM2.5 concentration of the most polluted countries in the world in 2019 (in micrograms per cubic meter of air)*. Statista. Statista Inc.. Accessed: October 20, 2020. https://www.statista.com/statistics/1135356/most-polluted-countries-in-the-world/
IQAir. "Average Pm2.5 Concentration of The Most Polluted Countries in The World in 2019 (in Micrograms per Cubic Meter of Air)*." Statista, Statista Inc., 19 Mar 2020, https://www.statista.com/statistics/1135356/most-polluted-countries-in-the-world/
IQAir, Average PM2.5 concentration of the most polluted countries in the world in 2019 (in micrograms per cubic meter of air)* Statista, https://www.statista.com/statistics/1135356/most-polluted-countries-in-the-world/ (last visited October 20, 2020)
