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  2. List of California air districts - Wikipedia

    en.wikipedia.org/wiki/List_of_California_Air...

    The California Air Pollution Control District Act of 1947 allowed 1 or more counties to form air pollution districts. [5] [6] The California Bay Area Pollution Control Act of 1955 created the Bay Area Air Pollution Control District. [5] [7] The California Mulford-Carrell Air Resources Act of 1967 resulted in the creation of 11 air basins. [5] [8]

  3. South Coast Air Quality Management District - Wikipedia

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

    The South Coast AQMD includes all of Orange County; and the non-desert regions of Los Angeles County, San Bernardino County, and Riverside County including the Coachella Valley. The South Coast Air Basin area encompassed by the South Coast AQMD amounts to about 10,750 square miles (27,850 square kilometres) and is the second most populated area ...

  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. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Nitrogen oxides (NO x), particularly nitrogen dioxide, are expelled from high temperature combustion, and are also produced during thunderstorms by electric discharge. They can be seen as a brown haze dome above or a plume downwind of cities. Nitrogen dioxide is a chemical compound with the formula NO 2. It is one of several nitrogen oxides.

  6. Nitrogen dioxide poisoning - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_dioxide_poisoning

    Nitrogen dioxide poisoning is the illness resulting from the toxic effect of nitrogen dioxide (NO 2). It usually occurs after the inhalation of the gas beyond the threshold limit value. [1] Nitrogen dioxide is reddish-brown with a very harsh smell at high concentrations, at lower concentrations it is colorless but may still have a harsh odour.

  7. National Ambient Air Quality Standards - Wikipedia

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

    Nitrogen dioxide (NO 2) Primary and Secondary 0.053 ppm (100 μg/m 3) annual Annual mean 40 CFR 50.11: Primary 0.100 ppm (188 μg/m 3) 1-hour 98th percentile of 1-hour daily maximum, averaged over 3 years 40 CFR 50.11: Lead (Pb) Primary and Secondary 0.15 μg/m 3: Rolling 3 months Not to be exceeded 40 CFR 50.12

  8. List of communities and neighborhoods of San Diego - Wikipedia

    en.wikipedia.org/wiki/List_of_communities_and...

    The following is a list of neighborhoods and communities located in the city of San Diego. The City of San Diego Planning Department officially lists 52 Community Planning Areas within the city, [ 1 ] many of which consist of multiple different neighborhoods.

  9. Environmental Health Coalition - Wikipedia

    en.wikipedia.org/wiki/Environmental_Health_Coalition

    The Environmental Health Coalition (EHC) is an organization focused on environmental and social justice in San Diego, California. It was founded in 1980 by Diane Takvorian and Tony Pettina, and includes a staff of 19 other individuals. Its work mainly concerns low income communities and communities of color in San Diego.