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An air quality index is used by government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become. We'll look at statistics on air quality in Barcelona using the most common pollutants. O3 (tropospheric ozone), NO2 (nitrogen dioxide), and PM10 (particulate matter) are some of the most commonly known pollutants that can be found in the atmosphere.
Ozone Pollutant
At ground level, ozone can cause major health issues such as trouble breathing, asthma episodes, lung damage, and also premature mortality. Vehicles, industry, power plants, and items like solvents and paints all contribute to this pollution. Repeated exposure may permanently scar lung tissue. It's the main ingredient in 'smog'.
Nitrogen Dioxide
Vehicles, power plants, industrial emissions, and off-road sources such as construction, lawn, and gardening equipment all emit nitrogen dioxide. All of these sources rely on fossil fuels to operate. Short-term NO2 exposures, spanning from 30 minutes to 24 hours, have been linked to harmful respiratory consequences such as airway inflammation in healthy persons and increased respiratory symptoms in people with asthma, according to scientific research.
Particulate Matter
Power plants, industrial processes, car tailpipes, woodstoves, wildfires, grinding operations, road dust, and some agricultural operations all emit suspended particles (PM10). Coughing, wheezing, impaired lung function, asthma episodes, heart attacks, and strokes are all linked to particle pollution. It has also been associated to loss of memory and death at a very young age.
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