Average air quality index

It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. A separate Year Average Common Air Quality Index (YACAQI) is also define in which different pollutant sub-indices are separately normalised to a value typically near unity. EPA sets national air quality standards for six common air pollutants.

Each year EPA tracks the levels of these air pollutants in the air. EPA posts the of our analyses to this web site. Public comments and suggestions are encouraged. Good” range, making it one of the months with better air quality compared to the rest of the year. For years, Beijing has earned a notorious reputation for having air quality detrimental to health.

PM-is measured at standard pressure and temperature conditions. Most of the stations on the map are monitoring both PM 2. Air quality is satisfactory and poses little or no health risk. Air Quality Index (AQI) As the new standard of measurement for air quality , AQI is a quantitative description of the air quality index.

For particle pollution, we rank separately the areas with high year-round (annual average ) levels and high short-term levels (24-hour) found in monitoring sites across the United States. Good” category, as one of the months with better air quality compared to earlier of the year. The national annual PM 2. It transforms complex air quality data of various pollutants into a single number and colour. Air pollution is a health and environmental issue across all countries of the worl but with large differences in severity.

In the interactive map we show death rates from air pollution across the worl measured as the number of deaths per 100people of a given country or region. It is calculated from several sets of air pollution data. It was formerly used in mainland China and Hong Kong. This index is based on the pollutants year average compare to annual limit values, and updated once a year. An air quality alert is issued when measured or forecasted air quality conditions are expected to be greater than 1AQI.

Think of the AQI as a yardstick that runs from to 500. Check real-time Delhi Air Quality Index. See Air pollution level live in different areas of Delhi including Anand Vihar, Delhi - DPCC, Ashok Vihar, Delhi - DPCC, Aya Nagar, Delhi - IM Bawana.

Get real-time, historical and forecast PM2. Several power plants miss deadline for emission norms compliance A total of 47. Dec 3 deadline to install Flue Gas Desulphurization (FDG) units to minimise SOemissions, the estimates prepared by private power producers showed. Temperatures will also be a bit on the warm side coming in about 3-degrees above the average of again this afternoon (yesterday we topped out at 96).

Lahore air quality index (AQI) and PM2. As the disturbance shifts eastward today, a strong ridge of high pressure will quickly build into the region resulting in clear skies, warm temperatures, and light winds. Compare the year average air quality for a general overview.

These reports provide basic statistics regarding the two major pollutants in Maryland: ground-level ozone and fine particles, which are reported using the color-coded Air Quality Index to relate pollutant levels to associated health effects. Get involved and know what we are breathing each month by downloading the quality of air monthly reports !