N258UT
Dassault Falcon 900
United States
HOU (William P Hobby Airport, Houston)

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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

0.0
Tons CO2 This Month
Below Average0.0× avg for Falcon 900
4.4
Tons CO2 YTD
Below Average0.1× avg for Falcon 900
42.8
CO2 Tons Since 2025
Below Average0.1× avg for Falcon 900
Emissions Intensity0.01t CO₂/nmBelow Average0.5× avg for Falcon 900
27.9 tons CO2 in selected period

2026 pace: On track for approximately 13t CO₂ by year end · ↓ 66% vs full year 2025 (38t)

Flight Patterns & Behaviour

Emissions up 174% vs prior period, driven by Houston → Columbia

36t
Period total CO₂
3.6t
Avg per flight
10
Flights
Moderately Concentrated3 routes account for 50% of total emissions
Highest emission route
Houston → Columbia
7.3t CO₂ total · 0.0095t 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%
13t → 36t CO₂
Intensity
1%
0.0067 → 0.0068 t CO₂/nm
New Routes
10
36t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
9%
3.3t → 3.6t
Flight Count
6
4 → 10 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

31t

Signals Detected

5

Highest Severity

High

Aircraft
High
New29 Aug – 4 Sept 2025
Elevated activity period · 3 flights in 6 days vs baseline of 0
Contributed approximately 12t CO₂ to period total — 33% of period emissions
Aircraft
Medium
New13 Oct – 19 Oct 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 5t CO₂ to period total — 15% of period emissions
Aircraft
Medium
New10 Nov – 16 Nov 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 4t CO₂ to period total — 11% of period emissions
Aircraft
Medium
Historical31 Aug – 19 Oct 2025
49-day inactive period
5.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical19 Oct – 16 Nov 2025
28-day inactive period
4.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 27, 20267.3t CO₂
KHOUHouston
KCAEColumbia
881 miles2h 45m
Feb 23, 20263.8t CO₂
KGUCGunnison
KHYI
789 miles1h 35m
Feb 18, 20261.5t CO₂
KABIAbilene
KHOUHouston
323 miles47m
Feb 13, 20262.0t CO₂
KHOUHouston
KABIAbilene
323 miles59m
View Details
Nov 16, 20254.0t CO₂
KLZULawrenceville
KHOUHouston
727 miles1h 38m
View Details
Oct 19, 20254.6t CO₂
KTYSKnoxville
KHOUHouston
780 miles1h 50m
View Details
Oct 19, 20250.9t CO₂
KLEXLexington
KTYSKnoxville
158 miles27m
View Details
Aug 31, 20251.4t CO₂
KADSDallas
KHOUHouston
247 miles45m
View Details
Aug 31, 20255.4t CO₂
KCMHColumbus
KADSDallas
912 miles2h 7m
View Details
Aug 29, 20255.1t CO₂
KADSDallas
KCMHColumbus
912 miles2h 1m
View Details
Feb 24, 20250.9t CO₂
KAUSAustin
KHOUHouston
148 miles29m
View Details
Jan 27, 20256.6t CO₂
KOGDOgden
KHOUHouston
1,230 miles2h 31m
View Details
Jan 2, 20251.3t CO₂
KDALDallas
KHOUHouston
239 miles43m
View Details
Jan 2, 20254.4t CO₂
KGADGadsden
KDALDallas
625 miles1h 47m
View Details
Top Airports by Emissions
Houston

Houston

KHOU

Total CO₂

20.7t

Total Visits

6

Avg CO₂/visit

3.5t

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

Dallas

KADS

Total CO₂

11.9t

Total Visits

3

Avg CO₂/visit

4.0t

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

Columbus

KCMH

Total CO₂

10.5t

Total Visits

2

Avg CO₂/visit

5.3t

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

Columbia

KCAE

Total CO₂

7.3t

Total Visits

1

Avg CO₂/visit

7.3t

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

Knoxville

KTYS

Total CO₂

5.5t

Total Visits

2

Avg CO₂/visit

2.7t

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

Lawrenceville

KLZU

Total CO₂

4.0t

Total Visits

1

Avg CO₂/visit

4.0t

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

KHOU to KCAE881 miles

Total Flights

1

Avg CO₂/Flight

7.3t

Total Emissions

7.3t CO₂

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

KCMH to KADS913 miles

Total Flights

1

Avg CO₂/Flight

5.4t

Total Emissions

5.4t CO₂

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

KADS to KCMH913 miles

Total Flights

1

Avg CO₂/Flight

5.1t

Total Emissions

5.1t CO₂

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

KTYS to KHOU781 miles

Total Flights

1

Avg CO₂/Flight

4.6t

Total Emissions

4.6t CO₂

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

KLZU to KHOU728 miles

Total Flights

1

Avg CO₂/Flight

4.0t

Total Emissions

4t CO₂

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

KGUC to KHYI0 miles

Total Flights

1

Avg CO₂/Flight

3.8t

Total Emissions

3.8t CO₂

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