Airports / King County International Airport
King County International Airport(KBFI)
Seattle, United States
Last updated: May 9, 2026
Viewing period:
Compared to: preceding 12 months · Jul 2024 – Jul 2025Jul 2025 – Jun 2026·vs Jul 2024 – Jul 2025·↑ Emissions increasing vs prior period
Activity Summary
66,383.8
Tons CO2 Total
Typical1.3× avg for United States
5.1
Avg CO2/Flight
23,485
Flights Total
Emissions Intensity0.01t CO₂/nmTypical1.3× avg for United States
55,274.7 tons CO2 in selected period
Airport Patterns
Emissions up 91% vs prior period — significantly busier than prior period
55,275t
Total CO₂
5.1t
Avg CO₂/flight
19,881
Flights
Operator Profile
Charter0% · 0 flights · 0t CO₂
Owner-Operated100% · 12,962 flights · 65,804t CO₂
Classification covers 65% of flights (6919 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