When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Environmental issues in the San Joaquin Valley - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in...

    In 1972, the California Department of Public Health commended the city of Fresno for its efforts to mitigate nitrates in the groundwater supply. [7] However, in 2001, Fresno earned a grade of poor for water quality and compliance from the Natural Resources Defense Council, an environmental advocacy group. [8]

  3. National Ambient Air Quality Standards - Wikipedia

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

    The six criteria air pollutants were the first set of pollutants recognized by the United States Environmental Protection Agency as needing standards on a national level. [5] The Clean Air Act requires the EPA to set US National Ambient Air Quality Standards (NAAQS) for the six CAPs. [6]

  4. 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 ...

  5. Bay Area Air Quality Management District - Wikipedia

    en.wikipedia.org/wiki/Bay_Area_Air_Quality...

    The Bay Area Air District (BAAD), formerly Bay Area Air Quality Management District or BAAQMD, is a public agency that regulates the stationary sources of air pollution in the nine counties of California's San Francisco Bay Area: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, southwestern Solano, and southern Sonoma ...

  6. Cross-State Air Pollution Rule - Wikipedia

    en.wikipedia.org/wiki/Cross-State_Air_Pollution_Rule

    The CSAPR requires 23 United States states to reduce their annual emissions of sulfur dioxide (SO 2) and nitrogen oxides (NO x) to help downwind states attain the 24-hour National Ambient Air Quality Standards, and 25 states to reduce ozone season nitrogen oxide emissions to help downwind states attain the 8-hour NAAQS. [2]

  7. Raging western wildfires are causing unhealthy air quality in ...

    www.aol.com/news/raging-western-wildfires...

    Wildfires burning in Southern California has caused heavy smoke and poor air quality in the High Desert on Tuesday, September 10, 2024. Fires burning in S. California are bringing smoke into S ...

  8. South Coast Air Quality Management District - Wikipedia

    en.wikipedia.org/wiki/South_Coast_Air_Quality...

    The South Coast Air Quality Management District, also using the acronym South Coast (AQMD), formed in 1976, is the air pollution agency responsible for regulating stationary sources of air pollution in the South Coast Air Basin and the Coachella Valley portion of the Salton Sea Air Basin, in Southern California.

  9. Environmental standard - Wikipedia

    en.wikipedia.org/wiki/Environmental_standard

    The enforcement of these standards is designed to prevent further degradation of air quality. States may set their own ambient standards, so long as they are lower than the national standard. [21] The NAAQS regulates the six criteria for air pollutants: sulfur dioxide (SO 2), particulate matter (PM 10), carbon monoxide (CO), ozone (O 3 ...