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  2. 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]

  3. List of US states by minimum wage - Wikipedia

    en.wikipedia.org/wiki/List_of_US_states_by...

    The federal minimum wage applies in states with no state minimum wage or a minimum wage lower than the federal rate (column titled "No state MW or state MW is lower than $7.25."). Some of the state rates below are higher than the rate on the main table above. That is because the main table does not use the rate for cities or regions.

  4. Air changes per hour - Wikipedia

    en.wikipedia.org/wiki/Air_changes_per_hour

    Air changes per hour, abbreviated ACPH or ACH, or air change rate is the number of times that the total air volume in a room or space is completely removed and replaced in an hour. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced each hour.

  5. $65,000 a Year Is How Much an Hour? - AOL

    www.aol.com/65-000-much-hour-002151219.html

    A yearly income of $65,000 is equivalent to an hourly rate of about $31.25 based on a 40-hour workweek. $65,000 a Year Is How Much? To convert an annual salary into an hourly wage, you need to ...

  6. List of countries by minimum wage - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    €12.70 (US$14.2) per hour, with sub-minimal rates for those aged 19 €11.43 (90% minimum), aged 18 €10.16 (80% minimum) and for those under the age of 18 €8.89 (70% of minimum) [110] Eurostat calculates the monthly rate for Ireland as (hourly rate x 39 hours x 52 weeks) / 12 months.

  7. What Are the 2020-2021 Federal Tax Brackets and Tax Rates? - AOL

    www.aol.com/finance/2020-2021-federal-tax...

    In 2020, the deadline for filing a 2019 tax return was postponed by three months to July 15 -- a nearly unprecedented move that defined the turmoil of April last year. Then, many Americans got ...

  8. Minimum wage in the United States - Wikipedia

    en.wikipedia.org/wiki/Minimum_wage_in_the_United...

    Beginning on July 1, 2021, Washington D.C. has the highest minimum wages in the country, at $16.50 per hour. [195] New York City's minimum wage for companies with 11 or more employees became $15.00 per hour on December 31, 2018. [196] On the same day, NYC's hourly minimum wage for companies with 10 or fewer employees became $13.50. [196]

  9. What Are the 2020-2021 Federal Tax Brackets and Tax Rates? - AOL

    www.aol.com/finance/2020-2021-federal-tax...

    To compensate for inflation, tax rates change every year even when tax laws stay the same. Tax bracket thresholds for 2021 increased by about 1% over 2020 levels, which are listed below.