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  2. Air pollution in Germany - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_Germany

    A large proportion of pollution in Germany is due to transportation through the air over long distances from neighbouring countries. Therefore Germany determined it to be important to develop a transboundary air pollution control policy in order to increase the air quality in Germany.

  3. List of countries by air pollution - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_air...

    The following list of countries by air pollution sorts the countries of the world according to their average measured concentration of particulate matter in micrograms per cubic meter (μg/m 3). The World Health Organization's recommended limit is 5 micrograms per cubic meter, although there are also various national guideline values, which are ...

  4. Air Quality Is Bad Pretty Much Everywhere, New World ... - AOL

    www.aol.com/air-quality-bad-pretty-much...

    Here are key regional takeaways from IQAir’s 2023 World Air Quality Report. ... Croatia showed the most improvement, with its annual average PM2.5 level dropping more than 40% compared to 2022 ...

  5. List of most-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_most-polluted...

    The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...

  6. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    The most commonly used air quality index in the UK is the Daily Air Quality Index recommended by the Committee on the Medical Effects of Air Pollutants (COMEAP). [39] This index has ten points, which are further grouped into four bands: low, moderate, high and very high. Each of the bands comes with advice for at-risk groups and the general ...

  7. List of countries by carbon dioxide emissions per capita

    en.wikipedia.org/wiki/List_of_countries_by...

    The other major anthropogenic greenhouse gases [n 3] [10]: 147 [11]) are not included in the following list, nor are humans emissions of water vapor (H 2 O), the most important greenhouse gases, as they are negligible compared to naturally occurring quantities. [12]

  8. List of countries by carbon dioxide emissions - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    The 2023 data represent the highest level recorded and experienced an increase of 1.9% or 994 Mt CO 2 eq compared to the levels in 2022. The majority of GHG emissions consisted of fossil CO 2 accounting for 73.7% of total emissions. [4] China, the United States, India, the EU27, Russia and Brazil were the world’s largest GHG emitters in 2023 ...

  9. The US cities with the best quality of life, ranked - AOL

    www.aol.com/us-cities-best-quality-life...

    US News & World Report released a list of the cities with the best quality of life for 2024 to 2025. Cities with places for outdoor activities, such as beaches and mountains, ranked higher. Ann ...