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  2. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Schematic drawing, causes and effects of air pollution: (1) greenhouse effect, (2) particulate contamination, (3) increased UV radiation, (4) acid rain, (5) increased ground-level ozone concentration, (6) increased levels of nitrogen oxides. An air pollutant is a material in the air that can have many effects on humans and the ecosystem. [74]

  3. Air pollutant concentrations - Wikipedia

    en.wikipedia.org/wiki/Air_pollutant_concentrations

    Air pollutant concentrations expressed as mass per unit volume of atmospheric air (e.g., mg/m 3, μg/m 3, etc.) at sea level will decrease with increasing altitude. The concentration decrease is directly proportional to the pressure decrease with increasing altitude.

  4. 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 ...

  5. Air Pollution Index - Wikipedia

    en.wikipedia.org/wiki/Air_Pollution_Index

    The air quality in Malaysia is reported as the API (Air Pollutant Index) or in Malay as IPU (Indeks Pencemaran Udara). Four of the index's pollutant components (i.e., carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide) are reported in ppmv but PM 2.5 particulate matter is reported in μg/m 3.

  6. Smartwatch and fitness tracker bands have elevated levels of ...

    www.aol.com/lifestyle/smartwatch-fitness-tracker...

    The No. 1 high-protein upgrade for your salad, according to a dietitian. News. News. USA TODAY. Crews race to contain LA wildfires as menacing winds ramp up: Live updates. News. Associated Press.

  7. Grooming gang convicted of raping women in Dundee - AOL

    www.aol.com/grooming-gang-convicted-raping-women...

    A Romanian grooming gang has been convicted of raping and sexually abusing ten women in flats across Dundee. The four men and one woman also plied their victims - aged between 16 and 30 - with ...

  8. US economy adds 227,000 jobs in November, unemployment ... - AOL

    www.aol.com/finance/november-jobs-report...

    The unemployment rate stood at 4.1% in October. Job growth for September was also revised higher on Friday, with revisions now indicating the US economy added 56,000 more jobs than initially ...

  9. Air pollution in Malaysia - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_Malaysia

    The air quality in Malaysia is reported as the Air Pollution Index (API). Four of the index's pollutant components (i.e., carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide) are reported in ppmv but PM 10 particulate matter is reported in μg/m 3. This scale below shows the health classifications used by the Malaysian government. 0-50 Good