Aqi reading

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. AQI Calculator - AQI Calculator. 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).

As the AQI increases, an increasingly large percentage of the population is likely to experience increasingly severe adverse health effects. 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.

It assigns numbers on a scale between and 5and is used to help determine when air quality is expected to be unhealthy. The reported AQI corresponds to the concentration level of the pollutant with the highest index. AQI is 12 the PMAQI is 5 SOis 3 NOx is 5 and all other pollutants are less than 12 then the AQI is 125–determined ONLY by the concentration of PM2.

For example, if the PM2. In other words “code re means the same thing in Los Angeles as it does in Raleigh, NC or Washington, D. Each color corresponds to a different level of health concern. Health Effects Statement PM2. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Unhealthy for Sensitive Groups. Li Building, Year Classroom. Visibility (Vis or NEPH) is a good indicator for smoke. While visibility is also affected by dust, the instrument is more sensitive to smoke.

Each range is assigned a descriptor, a color code, and a standardized public health advisory. Air quality index values are typically grouped into ranges. This table illustrates the AQI values.

AQI reading News: Latest and Breaking News on AQI reading. Also find news, photos and videos on AQI. 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 ) PM2. Oregon’s index is based on three pollutants regulated by the federal Clean Air Act: ground-level ozone, particle pollution and nitrogen dioxide. Taken together, concentration and time represent the dose of the air pollutant.

In the ACT, AQI is calculated by multiplying the actual particle readings by 4. The higher the AQI value, the greater the level of air pollution, which means the greater the health concerns. However, accounting for an uplift in PM 2. In comparison, Los Angeles, California, registered at today (with the PM ).