national atmospheric air quality standards

  • 1National Ambient Air Quality Standards — Counties in the United States where one or more National Ambient Air Quality Standards are not met, as of June 2007. The National Ambient Air Quality Standards (NAAQS) are standards established by the United States Environmental Protection Agency …

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  • 2Air Quality Index — The Air Quality Index (AQI) is a standardized indicator of the air quality in a given location. It measures mainly ground level ozone and particulates (except the pollen count), but may also include sulfur dioxide, and nitrogen dioxide. Various… …

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  • 3Air pollution — from World War II production Smog over …

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  • 4Atmospheric dispersion modeling — Industrial air pollution source Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere. It is performed with computer programs that solve the mathematical equations and algorithms… …

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  • 5Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …

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  • 6Air pollution in British Columbia — Air pollution is a concern in British Columbia (BC), Canada because of its effects on health and visibility. Air quality is influenced in BC by numerous mountain ranges and valleys, which complicate atmospheric pollution dispersion and can lead… …

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  • 7Compilation of atmospheric dispersion models — Atmospheric dispersion models are computer programs that use mathematical algorithms to simulate how pollutants in the ambient atmosphere disperse and, in some cases, how they react in the atmosphere. The dispersion models are used to estimate or …

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  • 8Clean Air Act (United States) — Clean Air Act Full title Clean Air Act of 1963 Acronym CAA Effective Dec. 17, 1963 Citations Public Law P.L. 88 206 …

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  • 9National Oceanic and Atmospheric Administration — NOAA Agency overview Formed October 3, 1970 (1970 10 03 …

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  • 10Pollution de l'air — Les émissions de CO, de CO2, de soufre et de suies et particules liées à la combustion du charbon ont probablement été la première source de pollution majeure de l’air dès le début de l’ère industrielle. La pollution de l’air (ou « pollution …

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