Epa air quality index

How is the air quality index measured? What is a good air quality index? Use the query tool below to get AQI reports for one state, county, or CBSA at a time.

Click this link if you want a national file that lists all counties or CBSAs. The AQI is an index for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you.

This site provides air quality data collected at outdoor monitors across the United States, Puerto Rico, and the U. Users can downloa output, view or visualize the data. The lower the index , the better the air quality is. Please select a city for detailed current conditions and forecasts. EPA and VICSES can also deploy equipment to monitor air quality nearby an incident like a fire. The air quality where you are might be different to what you see on EPA AirWatch, even if there’s a monitoring site close to you.

This is because there are many factors that can affect air quality. For example, wind direction and smoke from wood fires. EPA and local offi-cials use the AQI to provide simple information about your local air quality , how unhealthy air may affect you, and how you can protect your health. EPA and local officials use the AQI to provide simple information about your local air quality , how unhealthy air may affect you, and how you can protect your health.

Air Quality Index , or AQI. AQI: Unhealthy for Sensitive Groups (1- 150) Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air. A reading of means the air quality is very poor and a reading of one to three inclusive means that the air quality is good.

All EPA air quality reports and the latest air quality bulletin can be viewed and downloaded at Reports and Bulletins. This AQI is divided into six categories indicating increasing levels of health concern. Most of the stations on the map are monitoring both PM 2. A value in the unhealthy range, above the national air quality standard for any pollutant, is of concern first for sensitive groups, then for everyone as the AQI value increases. These lists include the parameters as defined in the EPA AQS system as CORE HAPS or VOC. You can view the list of parameters included in either catagory by visiting the AQS Code Tables page for Parameter Classes and searching for CORE_HAPS or VOC.

Some of these air quality reports below are in near real-time and some provide real ambient data while others provide information based on the air quality index. An AQI value is given for each monitoring site and pollutant. The overall AQI for a site is the highest index value of any of the pollutants. The EPA monitors and regulates South Australia’s air quality. Air quality Good quality air is one of the EPA ’s environmental goals.

We have a strong focus on the control of emissions that contribute to pollution. We monitor air quality in numerous locations and have programs to maintain and improve our air quality. You’ve probably heard the words “code red” air quality , especially if you live in or near an urban area.

Knowing what the color codes mean can help you protect your health and the health of your loved ones. This report is based on the AQI standards. The EPA has a number of air quality monitoring stations in metropolitan Adelaide, Whyalla, Port Augusta and Port Pirie. In addition, some industries licensed by the EPA undertake their own air monitoring as a condition of their environmental authorisation.

Oregon’s index is based on three pollutants regulated by the federal Clean Air Act: ground-level ozone, particle pollution and nitrogen dioxide. Think of the AQI as a yardstick that runs from to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern.