Tree and air-quality claim checklist
Yenra | Updated September 10, 2026
Article: https://yenra.com/tree-pollution/

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Purpose: Evaluate a planting claim with an urban forester or air-quality specialist.
Location / proposed change / current canopy / maintenance owner:
Pollutant or service claimed / unit / area / season / period:
Species / mature size / soil and water fit / diversity:
VOC evidence / compound / reference conditions / measurement basis:
Ozone removal evidence / laboratory, field or model:
Cooling / shade / energy / ventilation assumptions:
Baseline / comparison scenario / weather and emissions inputs:
Fictional A: 20% lower modeled VOC emissions.
Fictional B: 2% lower modeled afternoon ozone concentration.
These are different quantities; request a common outcome and baseline.
Expected tree survival and care:
Observed results / modeled results / uncertainty:
Specialist question / response / supporting source:
Review date and trigger:

Primary references consulted for the accompanying guide:
https://www.epa.gov/ground-level-ozone-pollution/ground-level-ozone-basics
https://research.fs.usda.gov/treesearch/52700
https://research.fs.usda.gov/treesearch/15519