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Environmental impact assessment ( EIA) is the assessment of the environmental consequences of a plan, policy, program, or actual projects prior to the decision to move forward with the proposed action. In this context, the term "environmental impact assessment" is usually used when applied to actual projects by individuals or companies and the ...
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. Children, the elderly and individuals with respiratory ...
Air quality monitoring sensors in Port Pirie, South Australia. Air pollution measurement is the process of collecting and measuring the components of air pollution, notably gases and particulates. The earliest devices used to measure pollution include rain gauges (in studies of acid rain ), Ringelmann charts for measuring smoke, and simple soot ...
Where the AQMG fits into the US EPA. The Air Quality Modeling Group (AQMG) is in the U.S. EPA's Office of Air and Radiation (OAR) and provides leadership and direction on the full range of air quality models, air pollution dispersion models and other mathematical simulation techniques used in assessing pollution control strategies and the impacts of air pollution sources.
Ohio v. EPA, No. 23A349, 603 U.S. ___ (2024) 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 .
The Air Quality Division works to protect and restore air quality through four programs: Air Implementation Grants, Air Industrial Emissions Assessment, Air Modeling and Data Analysis, and Air Quality Planning. [14] The Air Permits Division processes air permits and authorizations for facilities that, when operational, would emit contaminants ...
Environmental monitoring is the processes and activities that are done to characterize and describe the state of the environment. It is used in the preparation of environmental impact assessments, and in many circumstances in which human activities may cause harmful effects on the natural environment . Monitoring strategies and programs are ...
The aftermath from this year's fireworks doesn't yet appear quite as bad as in 2020 or 2021, said Scott Epstein, air quality assessment program supervisor at the AQMD.