N550KJ
Gulfstream GV
United States
SJC (Norman Y. Mineta San Jose International Airport, San Jose)

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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 stable vs prior period

Emissions Overview

10.5
Tons CO2 This Month
Below Average0.3× avg for GV
46.5
Tons CO2 YTD
Below Average0.5× avg for GV
355.4
CO2 Tons Since 2025
Below Average0.7× avg for GV
Emissions Intensity0.01t CO₂/nmTypical1.0× avg for GV
184.8 tons CO2 in selected period

2026 pace: On track for approximately 140t CO₂ by year end · ↓ 55% vs full year 2025 (309t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 16.7t CO₂/month

16.7t
CO₂/month
13.1t
Avg per flight
9
Distinct routes
Highly Concentrated3 routes account for 71% of total emissions
Highest emission route
San Jose → Gary
74.0t CO₂ total · 0.0077t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·1.0× country averageTypical

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

What's ChangedCompared to prior equivalent period
Emissions
8%
169t → 184t CO₂
Intensity
9%
0.0085 → 0.0077 t CO₂/nm
New Routes
8
110t CO₂ combined
Dropped Routes
8
Prior period only
Avg per Flight
23%
16.9t → 13.1t
Flight Count
4
10 → 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

111t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New28 May – 3 Jun 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 5t CO₂ to period total — 3% of period emissions
Aircraft
Medium
New10 Jul – 16 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 17t CO₂ to period total — 9% of period emissions
Aircraft
High
New24 Aug – 5 Nov 2025
Elevated activity period · 6 flights in 73 days vs baseline of 4
Contributed approximately 57t CO₂ to period total — 31% of period emissions
Aircraft
Medium
Historical28 May – 16 Jul 2025
49-day inactive period
16.8t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical16 Jul – 30 Aug 2025
46-day inactive period
14.8t CO₂ in the 7 days following resumption
Recent Flights
Feb 23, 202610.6t CO₂
CYLWKelowna
KGYYGary
1,628 miles2h 60m
Jan 28, 202612.0t CO₂
KSJCSan Jose
KGYYGary
1,850 miles3h 22m
Jan 10, 202623.8t CO₂
KIADWashington
EGKBBiggin Hill
3,688 miles6h 37m
Dec 13, 202512.5t CO₂
KSJCSan Jose
KGYYGary
1,850 miles3h 30m
View Details
Dec 12, 202533.1t CO₂
RJTTTokyo
KSJCSan Jose
5,175 miles9h 11m
View Details
Nov 26, 202512.6t CO₂
KSJCSan Jose
KGYYGary
1,850 miles3h 32m
View Details
Nov 5, 202514.8t CO₂
KSJCSan Jose
KIADWashington
2,393 miles4h 8m
View Details
Oct 22, 20253.2t CO₂
KIADWashington
KHPNWhite Plains
246 miles57m
View Details
Oct 10, 202511.5t CO₂
KSJCSan Jose
KGYYGary
1,850 miles3h 14m
View Details
Sep 23, 202512.9t CO₂
KSJCSan Jose
KGYYGary
1,850 miles3h 36m
View Details
Sep 2, 202512.6t CO₂
KSJCSan Jose
KGYYGary
1,850 miles3h 32m
View Details
Aug 30, 20252.2t CO₂
KRNOReno
KSJCSan Jose
188 miles41m
View Details
Jul 16, 202516.8t CO₂
PHIKHonolulu
KSJCSan Jose
2,413 miles4h 42m
View Details
May 28, 20255.2t CO₂
KGYYGary
KHPNWhite Plains
711 miles1h 30m
View Details
Mar 28, 202512.3t CO₂
KSJCSan Jose
KGYYGary
1,850 miles3h 27m
View Details
Mar 15, 20255.8t CO₂
KSFOSan Francisco
CYYFPenticton
829 miles1h 40m
View Details
Mar 3, 20251.9t CO₂
KIGQChicago
KALNAlton/St Louis
226 miles30m
View Details
Mar 3, 20259.6t CO₂
KTMBMiami
KGYYGary
1,172 miles2h 43m
View Details
Mar 1, 202516.1t CO₂
KSFOSan Francisco
KTMBMiami
2,576 miles4h 30m
View Details
Feb 3, 20259.1t CO₂
KTMBMiami
KGYYGary
1,172 miles2h 35m
View Details
Jan 23, 202532.4t CO₂
EDNYFriedrichshafen
KGYYGary
4,454 miles8h 60m
View Details
Jan 19, 202539.7t CO₂
KSJCSan Jose
EDNYFriedrichshafen
5,840 miles11h 1m
View Details
Jan 10, 20252.9t CO₂
KSJCSan Jose
KLGBLong Beach
324 miles52m
View Details
Jan 6, 202539.5t CO₂
DAAYMecheria
KGYYGary
4,596 miles10h 57m
View Details
Top Airports by Emissions
San Jose

San Jose

KSJC

Total CO₂

140.9t

Total Visits

10

Avg CO₂/visit

14.1t

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

Gary

KGYY

Total CO₂

89.8t

Total Visits

8

Avg CO₂/visit

11.2t

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

Washington

KIAD

Total CO₂

41.8t

Total Visits

3

Avg CO₂/visit

13.9t

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

Tokyo

RJTT

Total CO₂

33.1t

Total Visits

1

Avg CO₂/visit

33.1t

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

Biggin Hill

EGKB

Total CO₂

23.8t

Total Visits

1

Avg CO₂/visit

23.8t

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

Honolulu

PHIK

Total CO₂

16.8t

Total Visits

1

Avg CO₂/visit

16.8t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2
Top Routes by Emissions
San Jose Gary

KSJC to KGYY1,851 miles

Total Flights

6

Avg CO₂/Flight

12.3t

Total Emissions

74t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Tokyo San Jose

RJTT to KSJC5,179 miles

Total Flights

1

Avg CO₂/Flight

33.1t

Total Emissions

33.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Washington Biggin Hill

KIAD to EGKB3,690 miles

Total Flights

1

Avg CO₂/Flight

23.8t

Total Emissions

23.8t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Honolulu San Jose

PHIK to KSJC2,415 miles

Total Flights

1

Avg CO₂/Flight

16.8t

Total Emissions

16.8t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
San Jose Washington

KSJC to KIAD2,395 miles

Total Flights

1

Avg CO₂/Flight

14.8t

Total Emissions

14.8t CO₂

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

CYLW to KGYY0 miles

Total Flights

1

Avg CO₂/Flight

10.6t

Total Emissions

10.6t CO₂

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