Αποτελέσματα Αναζήτησης
17 Σεπ 2024 · AQS is EPA's repository of ambient air quality data that assists in air quality assessments, designations, modeling for permit review and prepare reports for Congress as mandated by the Clean Air Act.
- AQS Java Memo
Air Quality System (AQS) ... EPA MEMORANDUM. From: Robert...
- AQS Code List
Quality Assurance Project Plans (QAPPS) Contains a list of...
- AQS Users Guide
The AQS User Guide is designed to familiarize the user with:...
- Obtaining AQS Data
Air quality data is available from several places depending...
- AQS Manuals and Guides
An official website of the United States government. Here’s...
- Archive Data
About EPA About EPA; Our Mission and What We Do; EPA...
- AQS User Support
Air Quality System (AQS) AQS User Support ... (ENSC) is...
- AQS Data Dictionary
The Air Quality Index (AQI) is a measure for reporting daily...
- AQS Java Memo
5 ημέρες πριν · Learn about air quality and how it affects health. Discover how to check air quality forecasts, learn about what causes poor air quality, and find out how to help make our air cleaner every day.
EPA establishes an AQI for five major air pollutants regulated by the Clean Air Act. Each of these pollutants has a national air quality standard set by EPA to protect public health: ground-level ozone. particle pollution (also known as particulate matter, including PM2.5 and PM10) carbon monoxide. sulfur dioxide. nitrogen dioxide.
4 Αυγ 2018 · The air quality index ranges from 0 to 500, though air quality can be indexed beyond 500 when there are higher levels of hazardous air pollution. Good air quality ranges from 0 to 50, while measurements over 300 are considered hazardous.
The table below defines the Air Quality Index scale as defined by the US-EPA 2016 standard: For more information about the pollutants included in the AQI scale, please refer to: PM 2.5 instant-cast scale. Understanding PM 10 vs PM 2.5. Ozone (O 3) AQI scale. Nitrogen Dioxide (NO 2) scale.
9 Ιουν 2023 · A rating anywhere between 301 and 500 is considered “ hazardous,” and air quality at that level will trigger health warnings. At that level and beyond, everyone should stay indoors and reduce...
The AQI is EPA’s color-coded tool for communicating air quality to the public. • EPA is also updating AQI reporting requirements to reflect current reporting practices. • EPA sets AQIs for the following common pollutants: particulate matter (also called particle pollution, soot, or PM), ozone, carbon monoxide, nitrogen dioxide, and sulfur dioxide.
