Related topics: air pollution · pollution

Air pollution costs Europe cities $190bn a year: analysis

Air pollution costs inhabitants of European cities more than 160 billion euros ($190 billion) each year due to long- and short-term health impacts, a group of environmental and social watchdogs said in research published ...

Health issues as wildfire smoke hits millions in US

Wildfires churning out dense plumes of smoke as they scorch huge swaths of the U.S. West Coast have exposed millions of people to hazardous pollution levels, causing emergency room visits to spike and potentially thousands ...

School absences correlate to impaired air quality

In Salt Lake City schools, absences rise when the air quality worsens, and it's not just in times of high pollution or 'red' air quality days—even days following lower levels of pollutions saw increased absences.

Revising climate models with new aerosol field data

Smoke from the many wildfires burning in the West have made air quality hazardous for millions of people in the United States. And it is the very tiniest of the aerosol particles in that air that make it particularly harmful ...

Indian capital launches campaign to curb toxic air pollution

Authorities in New Delhi launched an anti-pollution campaign on Monday in an attempt to curb air pollution levels ahead of winter, when the capital is regularly covered in toxic haze, and warned that filthy air could make ...

Nanotech filter coating offers promise against COVID-19

A physics professor from the University of Houston has developed a nanotech coating designed to allow air filters to capture airborne or aerosolized droplets of the virus that causes COVID-19.

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Air Quality Index

The Air Quality Index (AQI) (also known as the Air Pollution Index (API) or Pollutant Standard Index (PSI)) is a number used by government agencies to characterize the quality of the air at a given location. As the AQI increases, an increasingly large percentage of the population is likely to experience increasingly severe adverse health effects. To compute the AQI requires an air pollutant concentration from a monitor or model. The function used to convert from air pollutant concentration to AQI varies by pollutant, and is different in different countries. Air quality index values are divided into ranges, and each range is assiged a descriptor and a color code. Standardized public health advisories are associated with each AQI range. An agency might also encourage members of the public to take public transportation or work from home when AQI levels are high.

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