N21TQ
Cessna Citation CJ4
United States
FSD (Joe Foss Field, Sioux Falls)

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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

34.8
Tons CO2 This Month
Above Average3.8× avg for Citation CJ4
78.4
Tons CO2 YTD
Above Average3.1× avg for Citation CJ4
239.1
CO2 Tons Since 2025
Above Average1.9× avg for Citation CJ4
Emissions Intensity0.01t CO₂/nmTypical1.2× avg for Citation CJ4
186.8 tons CO2 in selected period

2026 pace: On track for approximately 235t CO₂ by year end · ↑ 46% vs full year 2025 (161t)

Flight Patterns & Behaviour

Emissions up 253% vs prior period, driven by Marco Island → Sioux Falls

170t
Period total CO₂
2.8t
Avg per flight
60
Flights
Moderately Concentrated3 routes account for 45% of total emissions
Highest emission route
Marco Island → Sioux Falls
39.3t CO₂ total · 0.0051t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.7× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
253%
48t → 170t CO₂
Intensity
6%
0.0042 → 0.0044 t CO₂/nm
New Routes
37
105t CO₂ combined
Dropped Routes
8
Prior period only
Avg per Flight
23%
3.7t → 2.8t
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

47t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New17 May – 23 May 2025
Elevated activity period · 3 flights in 6 days vs baseline of 1
Contributed approximately 10t CO₂ to period total — 6% of period emissions
Aircraft
Medium
New8 Jun – 14 Jun 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 0% of period emissions
Aircraft
Medium
New17 Jul – 30 Jul 2025
Elevated activity period · 7 flights in 13 days vs baseline of 3
Contributed approximately 18t CO₂ to period total — 11% of period emissions
Aircraft
Medium
Historical22 May – 13 Jun 2025
22-day inactive period
7.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical19 Jun – 19 Jul 2025
30-day inactive period
10.8t CO₂ in the 7 days following resumption
Recent Flights
Mar 20, 20260.5t CO₂
KFSDSioux Falls
KRSTRochester
213 miles31m
Mar 18, 20260.5t CO₂
KFSDSioux Falls
KRSTRochester
213 miles31m
Mar 16, 20262.4t CO₂
KSDFLouisville
KFSDSioux Falls
684 miles1h 42m
Mar 16, 20262.4t CO₂
KFSDSioux Falls
KSDFLouisville
684 miles1h 41m
View Details
Mar 12, 20266.0t CO₂
KMKYMarco Island
KFSDSioux Falls
1,479 miles3h 48m
View Details
Mar 11, 20263.9t CO₂
KTVKCenterville
KMKYMarco Island
1,201 miles2h 34m
View Details
Mar 11, 20260.5t CO₂
KFSDSioux Falls
KTVKCenterville
281 miles28m
View Details
Mar 10, 20262.8t CO₂
KBILBillings
KFSDSioux Falls
599 miles1h 56m
View Details
Mar 9, 20260.5t CO₂
KPIRPierre
KEFCBelle Fourche
177 miles27m
View Details
Mar 9, 20260.5t CO₂
KFSDSioux Falls
KPIRPierre
184 miles12m
View Details
Mar 4, 20265.8t CO₂
KMKYMarco Island
KFSDSioux Falls
1,479 miles3h 41m
View Details
Mar 4, 20265.3t CO₂
KFSDSioux Falls
KMKYMarco Island
1,479 miles3h 26m
View Details
Feb 9, 20262.1t CO₂
KDTO
KFSDSioux Falls
717 miles1h 32m
View Details
Feb 9, 20263.8t CO₂
KFSDSioux Falls
KDTO
717 miles2h 32m
View Details
Feb 1, 20262.8t CO₂
KOWPSand Springs
KFSDSioux Falls
512 miles1h 55m
View Details
Feb 1, 20261.9t CO₂
KFSDSioux Falls
KDTO
717 miles1h 25m
View Details
Jan 9, 20265.4t CO₂
KAPFNaples
KFSDSioux Falls
1,467 miles3h 29m
View Details
Jan 8, 20263.3t CO₂
KINDIndianapolis
KMKYMarco Island
984 miles2h 14m
View Details
Jan 8, 20261.0t CO₂
KMIWMarshalltown
KINDIndianapolis
383 miles52m
View Details
Jan 8, 20260.5t CO₂
KFSDSioux Falls
KSPWSpencer
82 miles12m
View Details
Jan 6, 20262.2t CO₂
KINDIndianapolis
KFSDSioux Falls
601 miles1h 32m
View Details
Jan 6, 20262.5t CO₂
KFSDSioux Falls
KINDIndianapolis
601 miles1h 45m
View Details
Jan 2, 20269.6t CO₂
KMKYMarco Island
KFSDSioux Falls
1,479 miles5h 58m
View Details
Jan 2, 20264.6t CO₂
KFSDSioux Falls
KMKYMarco Island
1,479 miles2h 59m
View Details
Dec 30, 20250.6t CO₂
KFSDSioux Falls
KTVKCenterville
280 miles35m
View Details
Dec 23, 20255.8t CO₂
KMKYMarco Island
KFSDSioux Falls
1,479 miles3h 43m
View Details
Dec 23, 20256.4t CO₂
KFSDSioux Falls
KMKYMarco Island
1,479 miles4h 4m
View Details
Dec 11, 20250.5t CO₂
KMKTMankato
KFSDSioux Falls
147 miles33m
View Details
Dec 11, 20254.4t CO₂
KTLHTallahassee
KMKTMankato
1,088 miles2h 51m
View Details
Dec 11, 20254.4t CO₂
KFSDSioux Falls
KMKYMarco Island
1,479 miles2h 51m
View Details
Dec 1, 20255.8t CO₂
KMKYMarco Island
KFSDSioux Falls
1,479 miles3h 41m
View Details
Nov 30, 20254.6t CO₂
KFSDSioux Falls
KMKYMarco Island
1,479 miles2h 60m
View Details
Nov 12, 20251.1t CO₂
KFSDSioux Falls
KMKEMilwaukee
447 miles56m
View Details
Nov 7, 20253.8t CO₂
KSPWSpencer
KJQFConcord
940 miles2h 31m
View Details
Nov 7, 20250.5t CO₂
KFSDSioux Falls
KSPWSpencer
82 miles12m
View Details
Oct 21, 20256.3t CO₂
KMKYMarco Island
KFSDSioux Falls
1,479 miles4h 0m
View Details
Oct 1, 20253.0t CO₂
KFSDSioux Falls
KGYYGary
493 miles2h 4m
View Details
Sep 8, 20251.8t CO₂
KSBNSouth Bend
KFSDSioux Falls
545 miles1h 18m
View Details
Sep 8, 20251.6t CO₂
KFSDSioux Falls
KSBNSouth Bend
545 miles1h 11m
View Details
Sep 7, 20253.2t CO₂
KBZNBozeman
KFSDSioux Falls
723 miles2h 11m
View Details
Sep 6, 20254.6t CO₂
KFSDSioux Falls
KBZNBozeman
723 miles3h 0m
View Details
Sep 5, 20252.0t CO₂
KSBNSouth Bend
KFSDSioux Falls
545 miles1h 28m
View Details
Sep 5, 20251.5t CO₂
KFSDSioux Falls
KSBNSouth Bend
545 miles1h 8m
View Details
Aug 23, 20250.5t CO₂
KFARFargo
KFSDSioux Falls
231 miles34m
View Details
Aug 23, 20250.6t CO₂
KFSDSioux Falls
KFARFargo
231 miles38m
View Details
Aug 22, 20251.0t CO₂
KFSDSioux Falls
KGFKGrand Forks
302 miles50m
View Details
Jul 27, 20253.9t CO₂
KSAVSavannah
KFSDSioux Falls
1,155 miles2h 36m
View Details
Jul 27, 20253.2t CO₂
KSPWSpencer
KSAVSavannah
1,077 miles2h 9m
View Details
Jul 27, 20250.5t CO₂
KFSDSioux Falls
KSPWSpencer
82 miles13m
View Details
Jul 23, 20254.7t CO₂
KSAVSavannah
KFSDSioux Falls
1,155 miles3h 4m
View Details
Jul 23, 20254.1t CO₂
KFSDSioux Falls
KSAVSavannah
1,155 miles2h 41m
View Details
Jul 19, 20251.5t CO₂
KIKVAnkeny
KVESVersailles
482 miles1h 8m
View Details
Jul 19, 20250.5t CO₂
KFSDSioux Falls
KIKVAnkeny
207 miles33m
View Details
Jun 19, 20255.4t CO₂
KFSDSioux Falls
KPHLPhiladelphia
1,134 miles3h 28m
View Details
Jun 14, 20250.5t CO₂
KISBSibley
KPEAPella
198 miles5m
View Details
Jun 14, 20250.5t CO₂
KFSDSioux Falls
KISBSibley
51 miles10m
View Details
Jun 13, 20250.5t CO₂
KFSDSioux Falls
KSPWSpencer
82 miles12m
View Details
May 22, 20254.3t CO₂
KSAVSavannah
KFSDSioux Falls
1,155 miles2h 47m
View Details
May 20, 20253.7t CO₂
KFSDSioux Falls
KSAVSavannah
1,155 miles2h 29m
View Details
May 17, 20251.9t CO₂
KFSDSioux Falls
KCMYSparta
300 miles1h 23m
View Details
Apr 17, 20253.8t CO₂
KIKVAnkeny
KMKYMarco Island
1,278 miles2h 33m
View Details
Apr 17, 20250.5t CO₂
KFSDSioux Falls
KIKVAnkeny
207 miles35m
View Details
Apr 9, 20253.8t CO₂
KFSDSioux Falls
KBEDBedford
1,282 miles2h 30m
View Details
Apr 2, 20255.0t CO₂
KFSDSioux Falls
KMKYMarco Island
1,479 miles3h 15m
View Details
Mar 16, 20253.3t CO₂
KGYHGreenville
KFSDSioux Falls
979 miles2h 12m
View Details
Mar 14, 20253.1t CO₂
KFSDSioux Falls
KGYHGreenville
979 miles2h 7m
View Details
Mar 8, 20255.6t CO₂
KMKYMarco Island
KFSDSioux Falls
1,479 miles3h 36m
View Details
Mar 8, 20253.9t CO₂
KIKVAnkeny
KMKYMarco Island
1,278 miles2h 34m
View Details
Mar 8, 20251.0t CO₂
KDLHDuluth
KIKVAnkeny
362 miles53m
View Details
Mar 7, 20250.9t CO₂
KFSDSioux Falls
KDLHDuluth
316 miles47m
View Details
Feb 3, 20254.5t CO₂
KDVTPhoenix
KFSDSioux Falls
1,070 miles2h 56m
View Details
Jan 11, 20256.2t CO₂
KAPFNaples
KIRKKirksville
1,144 miles3h 58m
View Details
Jan 11, 20256.5t CO₂
KFSDSioux Falls
KMKYMarco Island
1,479 miles4h 7m
View Details
Top Airports by Emissions
Sioux Falls

Sioux Falls

KFSD

Total CO₂

148.4t

Total Visits

51

Avg CO₂/visit

2.9t

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

Marco Island

KMKY

Total CO₂

71.8t

Total Visits

13

Avg CO₂/visit

5.5t

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

Savannah

KSAV

Total CO₂

23.9t

Total Visits

6

Avg CO₂/visit

4.0t

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

Spencer

KSPW

Total CO₂

9.1t

Total Visits

6

Avg CO₂/visit

1.5t

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

Indianapolis

KIND

Total CO₂

9.0t

Total Visits

4

Avg CO₂/visit

2.2t

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

KDTO

Total CO₂

7.9t

Total Visits

3

Avg CO₂/visit

2.6t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 5
Top Routes by Emissions
Marco Island Sioux Falls

KMKY to KFSD1,480 miles

Total Flights

6

Avg CO₂/Flight

6.5t

Total Emissions

39.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Sioux Falls Marco Island

KFSD to KMKY1,480 miles

Total Flights

5

Avg CO₂/Flight

5.1t

Total Emissions

25.3t CO₂

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

KSAV to KFSD1,156 miles

Total Flights

3

Avg CO₂/Flight

4.3t

Total Emissions

12.9t CO₂

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

KFSD to KSAV1,156 miles

Total Flights

2

Avg CO₂/Flight

3.9t

Total Emissions

7.8t CO₂

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

KFSD to KDTO718 miles

Total Flights

2

Avg CO₂/Flight

2.9t

Total Emissions

5.8t CO₂

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

KAPF to KFSD1,468 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
Page 1 of 7