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  2. Air quality guideline - Wikipedia

    en.wikipedia.org/wiki/Air_quality_guideline

    The reports provide guidelines intending to give guidelines to reduce the health effects of air pollution. [2] 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]

  3. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    A 2014 WHO worldwide survey on maternal and perinatal health found a statistically significant association between low birth weights (LBW) and increased levels of exposure to PM 2.5. Women in regions with greater than average PM 2.5 levels had statistically significant higher odds of pregnancy resulting in a low-birth weight infant even when ...

  4. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    However, despite these tailpipe emission standards for new vehicle types there are many older diesel vehicles, [50] no low-emission zones and no national limit on PM2.5 particulates so local pollution, including from older vehicles, is still a major health risk in some cities, such as Ankara.

  5. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    The highest AQI in India was recorded in New Delhi on 18th November 2024 with it being 1,081 and the concentration of PM2.5 - particulate matter measuring 2.5 microns or less in diameter that can be carried into lungs, causing deadly diseases and cardiac issues. Expected to soar even higher later or next year.

  6. How California eco-bureaucrats halted a Pacific Palisades ...

    www.aol.com/news/california-eco-bureaucrats...

    The good news for the milkvetch plant is that they usually need wildfire to sprout — meaning dormant seeds now have a massive new habitat for a new crop of the rare shrub.

  7. Elderly straphanger injured in random Herald Square ... - AOL

    www.aol.com/elderly-straphanger-injured-random...

    December 15, 2024 at 5:40 PM. An elderly straphanger was randomly shoved onto subway tracks at the Herald Square station in Manhattan on Sunday afternoon, according to police.

  8. Indoor air quality - Wikipedia

    en.wikipedia.org/wiki/Indoor_air_quality

    The WHO standard for ozone concentration is 60 μg/m 3 for long-term exposure and 100 μg/m 3 as the maximum average over an 8-hour period. [29] The EPA standard for ozone concentration is 0.07 ppm average over an 8-hour period. [70]

  9. Australian Open: Naomi Osaka is back in a Slam's 3rd round ...

    www.aol.com/no-97-laura-siegemund-upsets...

    This was, in some ways, a significant moment for Osaka, who once reigned atop women's tennis, winning four Grand Slam titles — two at the Australian Open, two at the U.S. Open — and ascending ...

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