DEC air monitoring sites in New York State

More detailed look at ground level ozone

Identify Ozone Injury on Eastern Forest Bioindicator Plants

Training on extent of damage to leaves

Using Sensitive Plants as Bioindicators - Implementation Guide

Ozone sensitive plant species on National Park Service and US Fish and Wildlife Service

Hands on the Land "The air you breath may have contracted the deadly ozone disease. How do
you know if it has and what are you going to do about it?" Good descriptions and links.