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Both calculators run independently — change the inputs on either side to compare results.

Air Quality Health Impact Calculator

Estimate the annual economic health burden of PM2.5 air pollution on a population. Use it when assessing urban air quality policy, environmental impact studies, or public health planning.

PM2.5 Pollution Level (μg/m³)

Affected Population (people)

Daily Exposure Hours

Primary Age Group

Average Healthcare Cost ($/person/year)

Fill in the required fields to see your result.

Climate

Green Building Investment Calculator

Estimate the payback period for green building upgrades such as LEED certification by weighing upgrade costs against energy savings and rent premiums. Useful for developers and building owners evaluating sustainable construction investments.

Building Size (sq ft)

Green Certification Target

Baseline Energy Cost per Sq Ft ($/sq ft)

Green Upgrade Cost per Sq Ft ($/sq ft)

Rent Premium (%)

Base Rent per Sq Ft ($/sq ft)

Fill in the required fields to see your result.

Key differences

	Air Quality Health Impact Calculator	Green Building Investment Calculator
Category	Climate	Climate
Inputs required	5	6
Result	Estimated Annual Health Cost ($)	Payback Period (months)
What it does	Estimate the annual economic health burden of PM2.5 air pollution on a population. Use it when assessing urban air quality policy, environmental impact studies, or public health planning.	Estimate the payback period for green building upgrades such as LEED certification by weighing upgrade costs against energy savings and rent premiums. Useful for developers and building owners evaluating sustainable construction investments.