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Daily Archives: April 10, 2023
How is air pollution measured?
There are different sources of air pollution, including human-generated emissions from the burning of fossil fuel, as well as natural sources such as wildfires, volcanic eruptions and dust storms.
Particle pollution is referred to particulate matter (PM) and is made up of small, suspended solid or liquid particles. The amount and density of pollutants in the air are converted into an Air Quality Index (AQI). An AQI of less than 50 is considered safe, while unhealthy conditions have an AQI above 100. The chemical composition of the pollutant can also be a health concern. Continue reading