August 04

Air Pollution Levels Peak in the Summer: Air Filtration Experts Explain Why Air Quality Is So Bad During the Summer 

9 minutes to read

In many locations across the United States and across the world, air quality is at its worst during the summer months. In this article, air pollution experts from global air filtration industry leader Camfil discuss the factors that lead to higher levels of pollution in the summer.

Arid Summer Weather Conditions Increase Particulate Matter

A combination of weather-related factors increase levels of particulate matter in the air in certain areas. Most notably, an extended period of time with no precipitation causes dirt, sand, and soil in the ground to become loose and dry, as opposed to its more stable, compact form during other seasons. As a result, the loosened ground is easier to disperse via the wind, as well as the wheels of vehicles and foot traffic, sometimes as much as doubling concentrations of particulate matter in the area.

Additionally, hot, sunny conditions facilitate the formation of ground-level ozone most efficiently. Although this effect is somewhat mitigated by humidity in some places, dry areas are especially at risk of experiencing increased ozone levels during the summer.

Wildfires Release Pollutants Far and Wide

Over the past several years, wildfires have been increasing in both scope and severity across the world. During June through August, wildfires are at their peak. Wildfire smoke contains a range of pollutants — both particulate and gaseous — that affect air quality not only in the immediate radius of the wildfire but also in...

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