Closer to the ground, nitrogen oxides produce damaging ozone pollution.

In another study a surprising source of ozone pollution has been discovered at the seaside.

Not only did this create small particle pollution, it also played a part in creating ozone pollution.

Increasing levels of ozone pollution are however a concern, but legislation and actions now in place are aimed at correcting that trend.

Many modern copiers and laser printers now charge the photoconductor drum with an electrically conductive roller, reducing undesirable indoor ozone pollution.