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2. Air quality index - Wikipedia

   en.wikipedia.org/wiki/Air_quality_index

   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 or ...

3. 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.

4. List of most-polluted cities by particulate matter concentration

   en.wikipedia.org/wiki/List_of_most-polluted...

   The 2018 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 2700 towns and cities in 91 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1] [2] [3]

5. How to understand the Air Quality Index - AOL

   www.aol.com/news/how-to-understand-the-air...

   The AQI uses a scale that typically ranges from zero to 500 to denote air quality. If your area has an AQI of 50 or below, you're in a green zone. You should have good air quality and little or no ...

6. Environmental health officer - Wikipedia

   en.wikipedia.org/wiki/Environmental_health_officer

   Varies by country, usually requires a degree and/or certification. An environmental health officer (EHO), also referred to as an environmental health practitioner (EHP) or public health inspector, is a person responsible for carrying out measures to protect public health, [1] which includes the administration and enforcement of legislation ...

7. Texas Commission on Environmental Quality - Wikipedia

   en.wikipedia.org/wiki/Texas_Commission_on...

   In 2017, the TCEQ had around 500 people assisting in the response to Hurricane Harvey. [5] During and long after the event, the agency kept the public informed by posting air-monitoring data in near real time, status of public water systems, and other information on its Hurricane Harvey webpage. [6]