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2. Air quality guideline - Wikipedia

   en.wikipedia.org/wiki/Air_quality_guideline

   In terms of health effects, the guideline states that PM2.5 concentration of 10 is the lowest level at which total, cardiopulmonary and lung cancer mortality have been shown to increase with more than 95% confidence in response to long-term exposure to PM2.5. [2]

3. Particulate pollution - Wikipedia

   en.wikipedia.org/wiki/Particulate_pollution

   In European countries, air quality at or above 10 micrograms per cubic meter of air (μg/m 3) for PM 2.5 increases the all-causes daily mortality rate by 0.2-0.6% and the cardiopulmonary mortality rate by 6-13%. [35] 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 ...

4. Air quality index - Wikipedia

   en.wikipedia.org/wiki/Air_quality_index

   The AQI level is based on the level of six atmospheric pollutants, namely sulfur dioxide (SO 2), nitrogen dioxide (NO 2), suspended particulates smaller than 10 μm in aerodynamic diameter (PM 10), [19] suspended particulates smaller than 2.5 μm in aerodynamic diameter (PM 2.5), [19] carbon monoxide (CO), and ozone (O 3) measured at the ...

5. This Is the #1 Worst Habit for Arthritis Pain ... - AOL

   www.aol.com/1-worst-habit-arthritis-pain...

   Arthritis is an extremely common—and often quite painful—health condition. According to the Arthritis Foundation, it is the leading cause of disability in the United States.While there are a ...

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

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

   This list contains the top 500 cities by PM2.5 annual mean concentration measurement as documented by the World Health Organization covering the period from 2010 to 2022. 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.

7. Wait, What Does Arthritis Actually Feel Like? - AOL

   www.aol.com/wait-does-arthritis-actually-feel...

   Diagnosing arthritis is a multi-step process that starts with your doctor taking a medical history and discussing your symptoms, according to the Arthritis Foundation. Medical history includes ...