N525BY
Cessna Citation CJ3
Charter
United States
BFI (King County International Airport, Seattle)

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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025
May 2025 – Apr 2026·vs May 2024 – May 2025· Emissions increasing vs prior period

Emissions Overview

3.3
Tons CO2 This Month
Below Average0.2× avg for Citation CJ3
8.7
Tons CO2 YTD
Below Average0.2× avg for Citation CJ3
45.7
CO2 Tons Since 2025
Below Average0.2× avg for Citation CJ3
Emissions Intensity0.00t CO₂/nmBelow Average0.6× avg for Citation CJ3
32.2 tons CO2 in selected period

2026 pace: On track for approximately 26t CO₂ by year end · ↓ 29% vs full year 2025 (37t)

Flight Patterns & Behaviour

Emissions up 174% vs prior period, driven by Austin → Missoula

34t
Period total CO₂
2.4t
Avg per flight
14
Flights
Moderately Concentrated3 routes account for 40% of total emissions
Highest emission route
Austin → Missoula
5.7t CO₂ total · 0.0045t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.1× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
174%
12t → 34t CO₂
Intensity
52%
0.0087 → 0.0042 t CO₂/nm
New Routes
11
32t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
18%
2.0t → 2.4t
Flight Count
8
6 → 14 flights

Route and airport counts may include data processing artefacts.

Spikes

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

CO₂ Above Baseline

23t

Signals Detected

5

Highest Severity

High

Aircraft
High
New6 May – 11 Jul 2025
Elevated activity period · 6 flights in 66 days vs baseline of 3
Contributed approximately 12t CO₂ to period total — 35% of period emissions
Aircraft
Medium
New24 Aug – 30 Aug 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 2t CO₂ to period total — 7% of period emissions
Aircraft
Medium
Historical15 May – 1 Jun 2025
18-day inactive period
2.6t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical1 Jun – 18 Jun 2025
17-day inactive period
0.8t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical26 Jun – 11 Jul 2025
15-day inactive period
5.7t CO₂ in the 7 days following resumption
Recent Flights
Mar 9, 20263.3t CO₂
KSDLScottsdale
KMSOMissoula
925 miles2h 15m
Feb 23, 20263.3t CO₂
KTRMPalm Springs
KMSOMissoula
923 miles2h 15m
Feb 4, 20260.9t CO₂
KBFISeattle
KTHMThompson Falls
327 miles48m
Jan 10, 20264.5t CO₂
KTUSTucson
KSZTSandpoint
1,155 miles2h 58m
View Details
Oct 27, 20253.4t CO₂
KPHXPhoenix
KMSOMissoula
937 miles2h 19m
View Details
Oct 16, 20253.0t CO₂
KDVTPhoenix
KMSOMissoula
919 miles2h 5m
View Details
Aug 30, 20252.5t CO₂
KHNDLas Vegas
KMSOMissoula
757 miles1h 46m
View Details
Jul 31, 20251.0t CO₂
KBFISeattle
NaN miles52m
View Details
Jul 11, 20255.7t CO₂
KAUSAustin
KMSOMissoula
1,449 miles3h 41m
View Details
Jun 26, 20250.8t CO₂
KBFISeattle
KTHMThompson Falls
327 miles46m
View Details
Jun 18, 20250.8t CO₂
KBILBillings
NaN miles43m
View Details
Jun 1, 20252.6t CO₂
KPANPayson
KMSOMissoula
886 miles1h 51m
View Details
May 15, 20251.2t CO₂
KBFISeattle
KMSOMissoula
387 miles58m
View Details
May 6, 20250.5t CO₂
KBZNBozeman
KMSOMissoula
161 miles24m
View Details
Mar 5, 20250.5t CO₂
KSMFSacramento
KSTSSanta Rosa
67 miles17m
View Details
Feb 20, 20252.2t CO₂
KHNDLas Vegas
KSMNSalmon
635 miles1h 35m
View Details
Jan 30, 20250.7t CO₂
KBFISeattle
NaN miles42m
View Details
Jan 17, 20252.7t CO₂
KDVTPhoenix
NaN miles1h 55m
View Details
Jan 5, 20255.0t CO₂
KTUSTucson
KSMNSalmon
912 miles3h 15m
View Details
Jan 5, 20251.1t CO₂
KTUSTucson
NaN miles55m
View Details
Top Airports by Emissions
Missoula

Missoula

KMSO

Total CO₂

25.6t

Total Visits

9

Avg CO₂/visit

2.8t

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

Austin

KAUS

Total CO₂

5.7t

Total Visits

1

Avg CO₂/visit

5.7t

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

Tucson

KTUS

Total CO₂

4.5t

Total Visits

1

Avg CO₂/visit

4.5t

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

Sandpoint

KSZT

Total CO₂

4.5t

Total Visits

1

Avg CO₂/visit

4.5t

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

Seattle

KBFI

Total CO₂

3.9t

Total Visits

4

Avg CO₂/visit

1.0t

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

Phoenix

KPHX

Total CO₂

3.4t

Total Visits

1

Avg CO₂/visit

3.4t

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

KAUS to KMSO1,450 miles

Total Flights

1

Avg CO₂/Flight

5.7t

Total Emissions

5.7t CO₂

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

KTUS to KSZT1,156 miles

Total Flights

1

Avg CO₂/Flight

4.5t

Total Emissions

4.5t CO₂

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

KPHX to KMSO938 miles

Total Flights

1

Avg CO₂/Flight

3.4t

Total Emissions

3.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Palm Springs Missoula

KTRM to KMSO924 miles

Total Flights

1

Avg CO₂/Flight

3.3t

Total Emissions

3.3t CO₂

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

KSDL to KMSO926 miles

Total Flights

1

Avg CO₂/Flight

3.3t

Total Emissions

3.3t CO₂

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

KDVT to KMSO920 miles

Total Flights

1

Avg CO₂/Flight

3.0t

Total Emissions

3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2