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2. Particulate pollution - Wikipedia

   en.wikipedia.org/wiki/Particulate_pollution

   Worldwide, PM 10 concentrations of 70 μg/m 3 and PM 2.5 concentrations of 35 μg/m 3 have been shown to increase long-term mortality by 15%. [29] More so, approximately 4.2 million of all premature deaths observed in 2016 occurred due to airborne particulate pollution, 91% of which occurred in countries with low to middle socioeconomic status.

3. Air quality guideline - Wikipedia

   en.wikipedia.org/wiki/Air_quality_guideline

   The guidelines stipulate that PM 2.5 should not exceed 5 μg/m 3 annual mean, or 15 μg/m 3 24-hour mean; and that PM 10 should not exceed 15 μg/m 3 annual mean, or 45 μg/m 3 24-hour mean. [2] For ozone (O 3 ), the guidelines suggest values no higher than 100 μg/m 3 for an 8-hour mean and 60 μg/m 3 peak season mean. [ 2 ]

4. Particulates - Wikipedia

   en.wikipedia.org/wiki/Particulates

   Particulates or atmospheric particulate matter (see below for other names) are microscopic particles of solid or liquid matter suspended in the air.The term aerosol refers to the particulate/air mixture, as opposed to the particulate matter alone, [1] though it is sometimes defined as a subset of aerosol terminology. [2]

5. Beta attenuation monitoring - Wikipedia

   en.wikipedia.org/wiki/Beta_Attenuation_Monitoring

   To discriminate between particle of different sizes (e. g., between PM 10 and PM 2.5), some preliminary separation could be accomplished, for example, by cyclone battery. A similar method exists, where instead of beta particle flow an X-ray Fluorescence Spectroscopic monitoring is applied on the either side of air flow contact with the ribbon.

6. Toxic chemical ‘Hall of Shame’ calls out retailers in time ...

   www.aol.com/news/toxic-chemical-hall-shame-calls...

   Major retailers earned a grade of F for failing to protect customers from hazardous chemicals and plastics in the products they sell, a new report says.

7. College football award winners: Full list of winners for 2024 ...

   www.aol.com/college-football-award-winners-full...

   It's awards season for college football. Here's a list of the award winners in 2024.