Air Quality & Emissions¶
PortMiami Emissions Analysis¶
The air quality analysis for PortMiami examines emissions from at-berth cruise ship, container vessel, and tanker operations and their impact on Overtown, Little Haiti, Wynwood, Allapattah, and broader Miami-Dade communities.
The Cruise Hotel Load Dimension
PortMiami is the world's busiest cruise port. Cruise ships at berth function as floating hotels running full power plants for 3,000–6,000 passengers and crew — lighting, air conditioning, commercial kitchens, entertainment, refrigeration — at scale. Per berth-hour emissions from modern cruise ships can exceed those of container vessels by a factor of 3–5. PortMiami has installed shore power at some cruise berths, reducing emissions where available, but coverage is partial.
Data Sources¶
| Source | Publisher | Data Provided | Access |
|---|---|---|---|
| AirNow / AQS | EPA | Real-time and historical PM2.5, PM10, ozone, NO₂ | aqs.epa.gov |
| Florida DEP Air Monitoring | FDEP | State air quality monitoring network | floridadep.gov |
| National Emissions Inventory | EPA | Port-area emissions from mobile and stationary sources | epa.gov/air-emissions-inventories |
| ICCT Port Emissions Screening | ICCT | Vessel-level at-berth emission estimates | theicct.org |
| Toxics Release Inventory (TRI) | EPA | Facility-level chemical releases — 35+ facilities in Miami-Dade County | epa.gov/toxics-release-inventory-tri-program |
| AIS Vessel Data | MarineCadastre | Vessel position reports for call identification and dwell time | marinecadastre.gov |
Monitoring Stations¶
Florida DEP and Miami-Dade DERM operate air quality monitoring stations around Biscayne Bay and downtown Miami:
| Station | Location | Proximity to Port | Pollutants | Operator |
|---|---|---|---|---|
| Miami (FIU) | Central Miami campus | ~5 miles | PM2.5, O₃ | FDEP |
| Miami (NW 7th Street) | Overtown-adjacent | ~2 miles | PM2.5, O₃ | Miami-Dade DERM / FDEP |
| Miami Beach | Across Biscayne Bay from port | ~1 mile | PM2.5, O₃ | FDEP |
| Kendall | Southern Miami-Dade | ~15 miles | PM2.5, O₃ | FDEP |
Miami-Dade County's monitoring network provides regulatory-grade data but lacks hyperlocal port-fenceline resolution. Community-led monitoring in Overtown, Little Haiti, and Allapattah has been organized periodically through academic partnerships.
Full Assessment Available
The complete analysis for this section — including census-tract-level health quantification, monetized health damages, environmental justice scoring, and scenario modeling — is available through our research services.
See the full methodology in action: Our Duluth-Superior assessment and New York/New Jersey assessment demonstrate the complete analytical depth available for every port on this site.
Contact us to discuss a site-specific assessment for this port community: research@porthealthwatch.org