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  2. Pollution in California - Wikipedia

    en.wikipedia.org/wiki/Pollution_in_California

    A view of Los Angeles covered in smog. Pollution in California relates to the degree of pollution in the air, water, and land of the U.S. state of California.Pollution is defined as the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a faster rate than it can be dispersed, diluted, decomposed, recycled, or ...

  3. Useful conversions and formulas for air dispersion modeling

    en.wikipedia.org/wiki/Useful_conversions_and...

    Pollution regulations in the United States typically reference their pollutant limits to an ambient temperature of 20 to 25 °C as noted above. In most other nations, the reference ambient temperature for pollutant limits may be 0 °C or other values. 1 percent by volume = 10,000 ppmv (i.e., parts per million by volume).

  4. Air pollutant concentrations - Wikipedia

    en.wikipedia.org/wiki/Air_pollutant_concentrations

    Notes: 1 atm = absolute pressure of 101.325 kPa or 1.01325 bar; mol = gram mole and kmol = 1000 gram moles Pollution regulations in the United States typically reference their pollutant limits to an ambient temperature of 20 to 25 °C as noted above.

  5. Online calculator converts air pollution index into number of ...

    www.aol.com/online-calculator-converts-air...

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  6. Own a pool in Southern California? New air-quality rule ...

    www.aol.com/news/own-pool-southern-california...

    Bans on large gas-fired units and pool heaters will begin in 2027, and high-temperature units in 2029. Gas-fired water heaters will be banned from existing buildings once the appliances reach a ...

  7. Climate change policy of California - Wikipedia

    en.wikipedia.org/wiki/Climate_change_policy_of...

    SB 527 was approved in October 2001, authorizing the California Air Resources Board to impose administrative penalties instead of civil penalties for violations of regulations to air pollution control, with a limit of 10,000 per day and 100,000 total. [19]

  8. National Ambient Air Quality Standards - Wikipedia

    en.wikipedia.org/wiki/National_Ambient_Air...

    US counties that are designated "nonattainment" for the Clean Air Act's NAAQS, as of September 30, 2017. The U.S. National Ambient Air Quality Standards (NAAQS, pronounced / ˈ n æ k s / naks) are limits on atmospheric concentration of six pollutants that cause smog, acid rain, and other health hazards. [1]

  9. Climate change in California - Wikipedia

    en.wikipedia.org/wiki/Climate_change_in_California

    A study found that for each 1 degree Celsius (1 °C) rise in temperature in the United States, there are an estimated 20–30 excess cancer cases, as well as approximately 1000 (CI: 350–1800) excess air-pollution-associated deaths. [58] About 40 percent of the additional deaths may be due to ozone and the rest to particulate matter annually.