Us aqi meaning

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. An air quality index ( AQI ) is used by government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become.

Public health risks increase as the AQI rises. Different countries have their own air quality indices, corresponding to different national air quality standards. As part of this initiative, U. Mission Thailand is reporting the U. People who are unusually sensitive to ozone or particle pollution may experience respiratory symptoms.

Unhealthy for Sensitive Groups. DIRECTIONS: Choose the tab for AQI to Concentration or the tab for Concentration to AQI. Select a pollutant, then enter the AQI value or the concentration (in units). Click on “Calculate” to see the. Environmental Protection Agency.

An AQI of 1is equivalent to the National Ambient Air Quality Standard (NAAQS). An AQI greater than 1is considered to be above the national standard or NAAQS. Taken together, concentration and time represent the dose of the air pollutant.

Health effects corresponding to a given dose are established by epidemiological research. Air monitoring station in Reno, Nevada. JavaScript must be enabled to view this page. To sort on a column, click the column header. That column will be (subtly) highlighted.

Particularly useful is the search box at the top of the table on the right. Separate mulitiple search terms with a space. Air quality and pollen information for over 1countries in the world.

AQI, governments use a machine called a beta attenuation monitor that estimates the number of micrograms (the mass or weight) per cubic meter of air. So the raw number is the number of micrograms. When you look at the AQI at your nearest monitoring site or in you region, you will see the display of a colour depending on the air quality measured. Some people may be more sensitive to air pollution.

The index displays real-time readings of the satellite-monitored air quality index ( AQI ) across the UAE. This algorithm converts raw PM 2. AQI ) value that reports how clean or polluted the air is and the associated health effects allowing individuals to take steps to reduce their exposure. The index is calculated based on data over a 3-hour period depending on the variability of particulate concentration. PPQ and the Department of Homeland Security’s Customs and Border Protection (CBP) work together at the Nation’s borders and ports of entry to carry out all AQI program activities to intercept and keep out any foreign agricultural pests that could affect U. You will most likely come across a dedicated column for PM 2. On a very clear and non-hazy day, the PM 2. The Air Pollution Index ( API) is a simple and generalized way to describe the air quality, which is used in Malaysia.

It is calculated from several sets of air pollution data. It was formerly used in mainland China and Hong Kong. Air Quality Index (AQI), Pollutants Standards Index (PSI) or the air quality standards adopted by your country.