N921ME
Cessna Citation Excel
United States
AUO (Auburn-Opelika Robert G Pitts Airport, Auburn)

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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

9.9
Tons CO2 This Month
Below Average0.6× avg for Citation Excel
11.9
Tons CO2 YTD
Below Average0.2× avg for Citation Excel
74.5
CO2 Tons Since 2025
Below Average0.3× avg for Citation Excel
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Citation Excel
48.1 tons CO2 in selected period

2026 pace: On track for approximately 36t CO₂ by year end · ↓ 43% vs full year 2025 (63t)

Flight Patterns & Behaviour

Emissions up 80% vs prior period, driven by San Diego → Laurel

40t
Period total CO₂
1.9t
Avg per flight
21
Flights
Moderately Concentrated3 routes account for 43% of total emissions
Highest emission route
San Diego → Laurel
6.4t CO₂ total · 0.0045t 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
80%
22t → 40t CO₂
Intensity
3%
0.0053 → 0.0055 t CO₂/nm
New Routes
17
40t CO₂ combined
Dropped Routes
8
Prior period only
Avg per Flight
31%
2.8t → 1.9t
Flight Count
13
8 → 21 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

26t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New14 May – 30 May 2025
Elevated activity period · 4 flights in 16 days vs baseline of 1
Contributed approximately 8t CO₂ to period total — 19% of period emissions
Aircraft
Medium
New21 Jun – 7 Aug 2025
Elevated activity period · 7 flights in 47 days vs baseline of 3
Contributed approximately 9t CO₂ to period total — 22% of period emissions
Aircraft
Medium
New14 Sept – 27 Sept 2025
Elevated activity period · 3 flights in 13 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 11% of period emissions
Aircraft
Medium
Historical30 May – 27 Jun 2025
28-day inactive period
2.4t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical14 Jul – 31 Jul 2025
18-day inactive period
2.4t CO₂ in the 7 days following resumption
Recent Flights
Mar 18, 20263.4t CO₂
KISMOrlando
KJANJackson
584 miles1h 53m
Mar 18, 20260.6t CO₂
KFLLFt Lauderdale
KISMOrlando
173 miles31m
Mar 1, 20263.4t CO₂
KJANJackson
KHEFManassas
833 miles1h 51m
Feb 13, 20262.0t CO₂
KJANJackson
KBHMBirmingham
211 miles1h 13m
View Details
Dec 11, 20252.5t CO₂
KNEWNew Orleans
KTULTulsa
544 miles1h 27m
View Details
Nov 20, 20250.6t CO₂
KLULLaurel
KGADGadsden
239 miles32m
View Details
Nov 19, 20256.4t CO₂
KMYFSan Diego
KLULLaurel
1,631 miles3h 15m
View Details
Sep 21, 20251.1t CO₂
KAUOAuburn
KGADGadsden
101 miles49m
View Details
Sep 20, 20252.8t CO₂
KVPSValparaiso
KSNLShawnee
689 miles1h 35m
View Details
Sep 20, 20250.6t CO₂
KAUOAuburn
KDTSDestin
165 miles30m
View Details
Aug 2, 20250.6t CO₂
KAUOAuburn
KGADGadsden
101 miles17m
View Details
Jul 31, 20251.9t CO₂
KAUOAuburn
KLUKCincinnati
452 miles1h 11m
View Details
Jul 14, 20250.6t CO₂
KECPPanama City Beach
KPLRPell City
222 miles34m
View Details
Jul 13, 20250.8t CO₂
KATLAtlanta
KECPPanama City Beach
241 miles40m
View Details
Jul 5, 20252.7t CO₂
KTIXTitusville
KGADGadsden
489 miles1h 34m
View Details
Jul 4, 20250.6t CO₂
KATLAtlanta
KGADGadsden
98 miles19m
View Details
Jun 27, 20251.8t CO₂
KTIXTitusville
KGADGadsden
489 miles1h 10m
View Details
May 30, 20251.0t CO₂
KBBGBranson
KGADGadsden
438 miles45m
View Details
May 30, 20252.3t CO₂
KCHAChattanooga
KBBGBranson
460 miles1h 24m
View Details
May 19, 20250.6t CO₂
KAUOAuburn
KGADGadsden
101 miles20m
View Details
May 14, 20253.9t CO₂
KAUOAuburn
KGADGadsden
101 miles2h 5m
View Details
Mar 15, 20252.7t CO₂
KFMEFort Meade(Odenton)
KPYPCentre
600 miles1h 33m
View Details
Mar 14, 20252.2t CO₂
KLZULawrenceville
KBWIBaltimore
540 miles1h 18m
View Details
Mar 14, 20251.1t CO₂
KOCFOcala
KMGMMontgomery
329 miles49m
View Details
Jan 25, 20251.5t CO₂
KTULTulsa
KCMDCullman
526 miles59m
View Details
Jan 25, 20254.8t CO₂
KSNASanta Ana
KTULTulsa
1,253 miles2h 30m
View Details
Jan 24, 20255.3t CO₂
KABIAbilene
KSNASanta Ana
1,055 miles2h 45m
View Details
Jan 2, 20250.9t CO₂
KEQAEl Dorado
KICTWichita
35 miles43m
View Details
Jan 2, 20253.8t CO₂
KPYPCentre
KBBGBranson
459 miles2h 4m
View Details
Top Airports by Emissions
Gadsden

Gadsden

KGAD

Total CO₂

12.7t

Total Visits

9

Avg CO₂/visit

1.4t

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

Jackson

KJAN

Total CO₂

8.7t

Total Visits

3

Avg CO₂/visit

2.9t

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

Auburn

KAUO

Total CO₂

8.5t

Total Visits

6

Avg CO₂/visit

1.4t

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

Laurel

KLUL

Total CO₂

7.0t

Total Visits

2

Avg CO₂/visit

3.5t

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

San Diego

KMYF

Total CO₂

6.4t

Total Visits

1

Avg CO₂/visit

6.4t

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

Titusville

KTIX

Total CO₂

4.6t

Total Visits

2

Avg CO₂/visit

2.3t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4
Top Routes by Emissions
San Diego Laurel

KMYF to KLUL1,632 miles

Total Flights

1

Avg CO₂/Flight

6.4t

Total Emissions

6.4t CO₂

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

KAUO to KGAD101 miles

Total Flights

4

Avg CO₂/Flight

1.5t

Total Emissions

6.1t CO₂

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

KTIX to KGAD490 miles

Total Flights

2

Avg CO₂/Flight

2.3t

Total Emissions

4.6t CO₂

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

KISM to KJAN0 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
Jackson Manassas

KJAN to KHEF833 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
Valparaiso Shawnee

KVPS to KSNL689 miles

Total Flights

1

Avg CO₂/Flight

2.8t

Total Emissions

2.8t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3