The article reports on the proposed Air Quality Index (AQI) changes by the U.S. Environmental Protection Agency (EPA). EPA has proposed updates to its AQI, highlighting to set a significant harm level. If its proposal take effect, a code orange for pollution levels of 35.5 micrograms per ...
This cross-sectional study assesses the public health relevance of air quality index (AQI) activity guidance for exposure to fine particulate matter air
Epa Proposes Updates To Air Quality Index, Significant-harm Level For Fine ParticlesThe Environmental Protection Agency released a proposed rule Jan. 15 to update the Air Quality Index for fine particulate matter, bringing it into con-formance with the air quality standard for the pollutant.rnThe...
在官方网站上,你可以找到EPA数据库的链接,通过点击链接即可进入相应的数据库。 此外,EPA还提供了一些独立的在线查询工具,如Toxics Release Inventory(TRI)和Air Quality Index(AQI)等。这些工具允许公众查询特定化学物质的排放情况或了解当地的空气质量。 如果你是研究人员或政府机构,你还可以申请访问EPA数据库中更详细...
For example, it notes, an air quality index reading of 25 is considered "high" in Albany but "unhealthy" in New York City. The new index is designed to convert the maximum measured daily air pollution level in a city to a simple number on a scale of 0 to 500. Intervals on the ...
Input files necessary for real-timeimplementation were provided to AirNow informatted netCDF files using the CommunityMultiscale Air Quality model (CMAQ) grid, whichmatches the satellite-estimates. The netCDF filesprovide the absolute and percent error determinedfor each VOP and PM2.5 bin. Interpolati...
EPA's AirNow mobile app provides a simple interface for quickly checking current and forecast air quality information for planning daily activities and protecting your health. The app automatically displays the current AQI (Air Quality Index) for your local area or any area you wish to check, and...
The U.S. EPA calculates the Air Quality Index for five major air pollutants know as the "Criteria Pollutants" regulated by the 1990 Clean Air Act (CAA): ground-level ozone, particle pollution (also known as particulate matter), carbon monoxide, sulfur dioxide and nitrogen dioxide. The U.S...
The Air Quality Index (AQI) result.getAQI(); 73 The Concentrationresult.getConcentration(); ForNowCastcalculation, this will be theNowCast Concentration 99.0 The AQI Categoryresult.getCategory(); Moderate The color of this indexresult.getColor() ...
The current limit, established in 2008, is 75 ppb. EPA says its proposal also expands the ozone monitoring season for many states and updates the air quality index, which issues alerts when air quality hits unhealthy levels. 展开 年份: 2015 ...