OPAL Air research – air quality and air pollution

How does air pollution affect our natural environment?

We want to raise awareness of how air pollution and climate change shape our environment and help everyone understand the global issues it raises 

OPAL Air research
Our scientists have conducted a number of research projects to investigate the impacts of climate change and air pollution. You can learn more about this work on the Air Centre and Climate Change Research Centre page.


Air survey – take part today

By recording lichens on trees and tar spot on sycamore leaves, you can help our scientists answer important questions about the impacts of local air pollution – all you need is one of our free survey packs.

Take part in the Air Survey


Find out the results

Looking at lichensHow did we analyse your data? What has it revealed about air quality in the UK?

Lichen expert Pat Wolseley and OPAL data manager Laura Gosling explain the science behind the survey.

Read Pat's explanation of the findings



Discover more about lichens
Lichen identification guides

Policy and regulation
Learn more about air quality monitoring and Government policies across the UK


OPAL Air was led by Imperial College