N1124X
Cessna Citation CJ2
United States
BFI (King County International Airport, Seattle)

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Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Emissions Overview

9.4
Tons CO2 This Month
Above Average1.6× avg for Citation CJ2
19.7
Tons CO2 YTD
Typical1.2× avg for Citation CJ2
67.1
CO2 Tons Since 2025
Typical0.8× avg for Citation CJ2
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Citation CJ2
60.5 tons CO2 in selected period

2026 pace: On track for approximately 79t CO₂ by year end · ↑ 66% vs full year 2025 (47t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 4.9t CO₂/month

4.9t
CO₂/month
1.7t
Avg per flight
24
Distinct routes
Diverse Network3 routes account for 37% of total emissions
Highest emission route
Seattle → Monterey
11.9t CO₂ total · 0.0036t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.2× country averageBelow Average

Subject to FAA oversight — no mandatory carbon reporting for private aviation

What's ChangedCompared to prior equivalent period
Emissions
>300%
7t → 59t CO₂
Intensity
4%
0.0039 → 0.0040 t CO₂/nm
New Routes
23
47t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
3%
1.6t → 1.7t
Flight Count
Prior data incomplete

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

55t

Signals Detected

5

Highest Severity

High

Aircraft
High
New22 Jun – 28 Jul 2025
Elevated activity period · 12 flights in 36 days vs baseline of 4
Contributed approximately 21t CO₂ to period total — 35% of period emissions
Aircraft
Medium
New26 Aug – 15 Sept 2025
Elevated activity period · 6 flights in 20 days vs baseline of 2
Contributed approximately 11t CO₂ to period total — 20% of period emissions
Aircraft
Medium
New26 Dec 2025 – 8 Jan 2026
Elevated activity period · 6 flights in 13 days vs baseline of 1
Contributed approximately 8t CO₂ to period total — 14% of period emissions
Aircraft
Medium
Historical26 Apr – 24 Jun 2025
58-day inactive period
4.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical28 Jul – 1 Sept 2025
35-day inactive period
10.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 29, 20260.5t CO₂
KMRYMonterey
KPRBPaso Robles
92 miles25m
Mar 28, 20262.3t CO₂
KBFISeattle
KMRYMonterey
757 miles1h 53m
Mar 23, 20262.2t CO₂
KSJCSan Jose
KBFISeattle
703 miles1h 49m
Mar 22, 20260.7t CO₂
KBURBurbank
KMRYMonterey
256 miles41m
View Details
Mar 21, 20260.7t CO₂
KMRYMonterey
KBURBurbank
256 miles44m
View Details
Mar 19, 20262.3t CO₂
KBFISeattle
KMRYMonterey
757 miles1h 52m
View Details
Mar 15, 20260.5t CO₂
KPDXPortland
KBFISeattle
135 miles33m
View Details
Mar 7, 20261.2t CO₂
KBFISeattle
KSUNHailey
476 miles1h 6m
View Details
Jan 31, 20262.3t CO₂
KBFISeattle
KMRYMonterey
756 miles1h 51m
View Details
Jan 24, 20262.1t CO₂
KBFISeattle
KMRYMonterey
756 miles1h 45m
View Details
Jan 2, 20261.4t CO₂
KMODModesto
KBFISeattle
688 miles1h 14m
View Details
Jan 2, 20262.0t CO₂
KBFISeattle
KMODModesto
688 miles1h 38m
View Details
Jan 1, 20260.5t CO₂
KNUWOak Harbor
KBFISeattle
58 miles14m
View Details
Jan 1, 20260.5t CO₂
KBFISeattle
KFHRFriday Harbor
76 miles22m
View Details
Jan 1, 20260.6t CO₂
KPDXPortland
KBFISeattle
135 miles38m
View Details
Dec 31, 20253.3t CO₂
KAPADenver
KPDXPortland
991 miles2h 38m
View Details
Sep 14, 20250.5t CO₂
KBFISeattle
KTTDPortland
137 miles30m
View Details
Sep 10, 20250.9t CO₂
KBURBurbank
KMRYMonterey
256 miles50m
View Details
Sep 6, 20252.8t CO₂
KBFISeattle
KMRYMonterey
756 miles2h 16m
View Details
Sep 2, 20250.5t CO₂
KBFISeattle
KFHRFriday Harbor
76 miles20m
View Details
Sep 1, 20250.5t CO₂
KNUWOak Harbor
KBFISeattle
58 miles14m
View Details
Sep 1, 20256.1t CO₂
KSTPSaint Paul
KFHRFriday Harbor
1,430 miles4h 41m
View Details
Jul 28, 20250.5t CO₂
KBFISeattle
KFHRFriday Harbor
76 miles22m
View Details
Jul 27, 20253.2t CO₂
KHNDLas Vegas
KBFISeattle
879 miles2h 31m
View Details
Jul 21, 20250.8t CO₂
KBURBurbank
KHNDLas Vegas
219 miles47m
View Details
Jul 20, 20251.2t CO₂
KHNDLas Vegas
KSNSSalinas
363 miles1h 5m
View Details
Jul 12, 20252.5t CO₂
KBFISeattle
KOARMarina
750 miles2h 2m
View Details
Jul 7, 20250.5t CO₂
KPDXPortland
KBFISeattle
135 miles32m
View Details
Jul 3, 20250.6t CO₂
KPDXPortland
KFHRFriday Harbor
204 miles39m
View Details
Jul 3, 20250.5t CO₂
KBFISeattle
KPDXPortland
135 miles33m
View Details
Jul 2, 20252.9t CO₂
KLGBLong Beach
KBFISeattle
971 miles2h 21m
View Details
Jul 1, 20253.7t CO₂
KBFISeattle
KLGBLong Beach
971 miles2h 54m
View Details
Jun 28, 20250.5t CO₂
KBFISeattle
KFHRFriday Harbor
76 miles23m
View Details
Jun 24, 20253.7t CO₂
KIWAMesa
KBFISeattle
1,128 miles2h 53m
View Details
Apr 26, 20253.0t CO₂
KSJCSan Jose
KIWAMesa
642 miles2h 24m
View Details
Feb 24, 20251.1t CO₂
KSDMSan Diego
KSNSSalinas
386 miles58m
View Details
Feb 18, 20250.5t CO₂
KSJCSan Jose
KOARMarina
48 miles13m
View Details
Jan 11, 20252.3t CO₂
KBFISeattle
KMRYMonterey
756 miles1h 52m
View Details
Jan 6, 20252.7t CO₂
KMRYMonterey
KBFISeattle
756 miles2h 8m
View Details
Top Airports by Emissions
Seattle

Seattle

KBFI

Total CO₂

40.7t

Total Visits

25

Avg CO₂/visit

1.6t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Monterey

Monterey

KMRY

Total CO₂

14.7t

Total Visits

9

Avg CO₂/visit

1.6t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Friday Harbor

Friday Harbor

KFHR

Total CO₂

8.9t

Total Visits

6

Avg CO₂/visit

1.5t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Mesa

Mesa

KIWA

Total CO₂

6.7t

Total Visits

2

Avg CO₂/visit

3.3t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Long Beach

Long Beach

KLGB

Total CO₂

6.6t

Total Visits

2

Avg CO₂/visit

3.3t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Portland

Portland

KPDX

Total CO₂

6.2t

Total Visits

6

Avg CO₂/visit

1.0t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3
Top Routes by Emissions
Seattle Monterey

KBFI to KMRY757 miles

Total Flights

5

Avg CO₂/Flight

2.4t

Total Emissions

11.9t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Saint Paul Friday Harbor

KSTP to KFHR1,431 miles

Total Flights

1

Avg CO₂/Flight

6.1t

Total Emissions

6.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Seattle Long Beach

KBFI to KLGB972 miles

Total Flights

1

Avg CO₂/Flight

3.7t

Total Emissions

3.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Mesa Seattle

KIWA to KBFI1,129 miles

Total Flights

1

Avg CO₂/Flight

3.7t

Total Emissions

3.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Denver Portland

KAPA to KPDX991 miles

Total Flights

1

Avg CO₂/Flight

3.3t

Total Emissions

3.3t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Las Vegas Seattle

KHND to KBFI879 miles

Total Flights

1

Avg CO₂/Flight

3.2t

Total Emissions

3.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 4