Aqi around the world

Last year, over one-fifth of all U. Today, thanks to a partnership between the U. Air Quality Around the World. Department of State and EPA, AirNow reaches beyond our borders to provide air quality data. World air quality index ( AQI ) and PM2.

AirNow-International (AirNow-I) is helping countries and regions around the world inform the public about the quality of the air they breathe. Using the AirNow-I system, air quality agencies can provide real-time air quality information to citizens. By participating in a community of users,. The available station data is interpolated using Kriging-based techniques to create a continuous estimate of air quality conditions.

Of the nearly 3measurements collected over year, roughly a third exceeded what the researchers considered a. The AQI ranges from to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern. When AQI values are between 1and 15 or code orange, members of sensitive groups may experience health effects. Air Now can provide you with the current and forecasted air quality conditions in most of the United States and Puerto Rico but if you are traveling abroad knowing where to get your air quality forecast could be more complicated. The particulate matter that fills the air is mainly from burning garbage and fossil fuels.

Heat pollution, especially near power plants, can severely impact local ecosystems. Green labels indicate levels pose no risk to human health, while red and mauve labels. Air pollution is a health and environmental issue across all countries of the world , but with large differences in severity. In the interactive map we show death rates from air pollution across the world , measured as the number of deaths per 100people of a given country or region. 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.

Although countries often have standards for the same types of air pollutants, the limits themselves are quite different. See part , part , part , and part 4. 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. In the last couple of posts, we have mentioned that of the world’s most polluted cities are in India.

Nitrogen dioxide can quickly. Around billion people – more than of the world’s population – still do not have access to clean cooking fuels and technologies in their homes, the main source of household air pollution. But sometimes it is hard to get your head around those kinds of numbers. Global air pollution: what is the most polluted country and city in the world ? These indices are historical and they are published periodically.

To access current rankings (updated continuously) please visit Pollution Index Rate (Current). Only of the people living in cities reporting on air quality reside in cities where this complies with WHO air quality guideline levels. About half of the urban population being monitored is exposed to air pollution that is at least 2. WHO recommends - putting those people at additional risk of serious, long-term health problems.