Ozone damage to potato leaves

Brown dots scattered across the surface of three green leaves of a potato plant.

Brown patches on these potato leaves are evidence of moderate ozone damage.

Danica Lombardozzi/NCAR

Brown patches on these potato leaves are evidence of moderate ozone damage. Ozone pollution is created when emissions from vehicles and power plants react in the presence of sunlight. Ground-level ozone is harmful to plants and animals.

Learn More