Airports / Seattle-Tacoma International Airport
Seattle-Tacoma International Airport(KSEA)
Seattle, United States
Last updated: Mar 29, 2026
Activity Summary
Airport Patterns
Emissions up 378% vs prior period — significantly busier than prior period
Charter/owner classification not available for this airport's flights
Spikes
Significant deviations from this airport's baseline in the selected period.
CO₂ Above Baseline
717t
Signals Detected
3
Highest Severity
Medium
Elevated activity May 13, 2025 – May 19, 2025 — 72 flights in 7 days vs baseline of 36
72 flights recorded in a 7-day window, exceeding the airport baseline of 36 flights per week by 102%.
386.1t CO₂
Elevated activity Jul 31, 2025 – Aug 6, 2025 — 73 flights in 7 days vs baseline of 36
73 flights recorded in a 7-day window, exceeding the airport baseline of 36 flights per week by 104%.
275.4t CO₂
Single high-emission departure T7-688NJ → VMMC on Jun 21, 2025 — 56.0t CO₂, 43% of day's total
Aircraft T7-688NJ departing to VMMC produced 56.0t CO₂, representing 43% of all airport emissions on Jun 21, 2025.
56.0t CO₂
Route Map
KSEA to KSJC · 697 miles
Total Flights
50
Avg CO₂/Flight
3.7t
Total Emissions
183.7t CO₂
KSEA to KSDL · 1,098 miles
Total Flights
27
Avg CO₂/Flight
4.5t
Total Emissions
120.9t CO₂
KSEA to KLAS · 867 miles
Total Flights
28
Avg CO₂/Flight
4.2t
Total Emissions
117.9t CO₂
KSEA to KSFO · 679 miles
Total Flights
26
Avg CO₂/Flight
4.1t
Total Emissions
105.5t CO₂
KSEA to KDTO · 1,637 miles
Total Flights
15
Avg CO₂/Flight
6.6t
Total Emissions
99.4t CO₂
KSEA to KVNY · 936 miles
Total Flights
21
Avg CO₂/Flight
4.2t
Total Emissions
88.6t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period