One of the most effective ways to fight smog is by planting trees (natural air filters). However, not all tree species are equally good at removing pollutants. In this article, we’ll take a closer look at which trees are the best at purifying the air.

The most effective tree species in the fight against smog

Studies show that some tree species perform better as natural air filters than others. Here are some of them:

  • Pedunculate oak – 70% dust filtration efficiency
  • Common maple – 68% dust filtration efficiency
  • Small-leaved lime – 65% dust filtration efficiency
  • Common hornbeam – 60% dust filtration efficiency
  • European beech – 58% dust filtration efficiency
  • Silver birch – 55% dust filtration efficiency
  • Scots pine – 50% dust filtration efficiency
  • Norway spruce – 45% dust filtration efficiency

Which trees to plant in cities?

When choosing trees for planting in urban spaces, it’s important to consider not only their ability to purify the air but also their resistance to harsh urban conditions such as pollution, road salt, and limited space for roots.

Best trees for cities:

  • Pedunculate oak – very durable, long-lived, and filters the air very well
  • Common maple – well-tolerates pollution and is excellent at absorbing nitrogen oxides
  • Small-leaved lime – improves air humidity and has a high ability to trap dust
  • Silver birch – recommended for areas with high concentrations of ozone and sulfur oxides

Summary

Planting trees is one of the best methods to fight smog. Not all species work equally well, but selecting the right plants can significantly improve air quality, especially in cities. Oak, maple, lime, and birch are among the best natural air filters worth planting to reduce pollution.

Is there a tree planting initiative in your city?

If not, it’s worth fighting for it!