Airports / King County International Airport
King County International Airport(KBFI)
Seattle, United States
Last updated: May 3, 2026
Viewing period:
Compared to: preceding 12 months · Jun 2024 – Jun 2025Jun 2025 – May 2026·vs Jun 2024 – Jun 2025·↑ Emissions increasing vs prior period
Activity Summary
65,834.5
Tons CO2 Total
Typical1.3× avg for United States
5.1
Avg CO2/Flight
23,201
Flights Total
Emissions Intensity0.01t CO₂/nmTypical1.3× avg for United States
60,585.0 tons CO2 in selected period
Airport Patterns
Emissions up 160% vs prior period — significantly busier than prior period
60,585t
Total CO₂
5.1t
Avg CO₂/flight
21,574
Flights
Operator Profile
Charter0% · 0 flights · 0t CO₂
Owner-Operated100% · 12,840 flights · 65,404t CO₂
Classification covers 60% of flights (8734 unclassified)
What's Changed
Activity Signals
Route Map
Route Map
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Top Routes by Emissions
Top Aircraft by Emissions
Recent Flights
3 total flights recordedShowing most recent flights — not filtered by viewing period