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Once air quality data are collected and submitted, some air quality laws may require government agencies or private parties to provide the public with access to the information – whether the raw data alone, or via tools to make the data more useful, accessible, and understandable.
These sections require the EPA "(1) to list widespread air pollutants that reasonably may be expected to endanger public health or welfare; (2) to issue air quality criteria for them that assess the latest available scientific information on nature and effects of ambient exposure to them; (3) to set primary NAAQS to protect human health with ...
The Clean Air Act (CAA) is the United States' primary federal air quality law, intended to reduce and control air pollution nationwide. Initially enacted in 1963 and amended many times since, it is one of the United States' first and most influential modern environmental laws .
An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2 ] [ 3 ] As air pollution levels rise, so does the AQI, along with the associated public health risk.
The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. [2] President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order. [3]
This article lists subnational environmental agencies in the United States, by state.Agencies that are responsible for state-level regulating, monitoring, managing, and protecting environmental and public health concerns.
Air quality in Los Angeles was at "moderate" levels on Thursday morning, as judged by the EPA's Air Quality Index rating system. Moderate air quality is between 51 and 100, or in the yellow band ...
Air pollution in Los Angeles has caused widespread concerns. In 2012, the Public Policy Institute of California (PPIC) Survey on Californians and the Environment showed that 45% of citizens in Los Angeles consider air pollution to be a "big problem", and 47% believe that the air quality of Los Angeles is worse than it was 10 years ago. [96]