N958GC
Cessna Citation SII
United States
SMX (Santa Maria Airport, Santa Maria)

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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 Overview

12.3
Tons CO2 This Month
Above Average2.9× avg for Citation SII
19.3
Tons CO2 YTD
Above Average1.7× avg for Citation SII
82.6
CO2 Tons Since 2025
Typical1.3× avg for Citation SII
Emissions Intensity0.01t CO₂/nmTypical1.1× avg for Citation SII
74.9 tons CO2 in selected period

2026 pace: On track for approximately 58t CO₂ by year end · ↓ 9% vs full year 2025 (63t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 6.5t CO₂/month

6.5t
CO₂/month
2.5t
Avg per flight
24
Distinct routes
Diverse Network3 routes account for 36% of total emissions
Highest emission route
Santa Maria → Missoula
9.6t CO₂ total · 0.0041t 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
>300%
6t → 71t CO₂
Intensity
68%
0.0041 → 0.0069 t CO₂/nm
New Routes
23
68t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
145%
1.0t → 2.5t
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

33t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New1 Aug – 7 Aug 2025
Elevated activity period · 3 flights in 6 days vs baseline of 1
Contributed approximately 12t CO₂ to period total — 17% of period emissions
Aircraft
Medium
New22 Aug – 4 Sept 2025
Elevated activity period · 4 flights in 13 days vs baseline of 1
Contributed approximately 18t CO₂ to period total — 25% of period emissions
Aircraft
Medium
New5 Dec – 11 Dec 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
Medium
Historical13 May – 20 Jun 2025
38-day inactive period
0.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical20 Jun – 26 Jul 2025
36-day inactive period
1.2t CO₂ in the 7 days following resumption
Recent Flights
Mar 30, 20260.5t CO₂
KWHPPacoima
KSMXSanta Maria
124 miles20m
Mar 29, 20260.9t CO₂
KSMXSanta Maria
KWHPPacoima
124 miles48m
Mar 26, 20260.8t CO₂
KSMXSanta Maria
KEEDNeedles
331 miles45m
Mar 21, 20260.5t CO₂
KBZNBozeman
KMSOMissoula
161 miles35m
View Details
Mar 19, 20263.1t CO₂
KSMXSanta Maria
KMSOMissoula
894 miles2h 5m
View Details
Mar 18, 20260.5t CO₂
KSBASanta Barbara
KSMXSanta Maria
48 miles14m
View Details
Mar 18, 20263.7t CO₂
KAPADenver
KSBASanta Barbara
898 miles2h 27m
View Details
Mar 18, 20262.7t CO₂
KBYSFort Irwin/Barstow
KAPADenver
710 miles1h 51m
View Details
Mar 18, 20260.5t CO₂
KSMXSanta Maria
KSBASanta Barbara
48 miles14m
View Details
Feb 23, 20260.5t CO₂
KFATFresno
KSMXSanta Maria
136 miles27m
View Details
Jan 31, 20266.5t CO₂
KFTWFort Worth
KSMXSanta Maria
1,329 miles4h 4m
View Details
Dec 27, 20253.4t CO₂
KSMXSanta Maria
KMSOMissoula
893 miles2h 16m
View Details
Dec 14, 20251.0t CO₂
KVGTLas Vegas
KSMXSanta Maria
309 miles53m
View Details
Dec 11, 20251.1t CO₂
KVGTLas Vegas
KSMXSanta Maria
309 miles54m
View Details
Dec 11, 20251.0t CO₂
KSMXSanta Maria
KVGTLas Vegas
309 miles52m
View Details
Oct 7, 20251.8t CO₂
KSDLScottsdale
KSMXSanta Maria
495 miles1h 21m
View Details
Sep 18, 20253.1t CO₂
KSMXSanta Maria
KMSOMissoula
893 miles2h 5m
View Details
Sep 2, 20252.7t CO₂
KSMXSanta Maria
NaN miles1h 53m
View Details
Sep 1, 20253.0t CO₂
KSBPSan Luis Obispo
KMSOMissoula
875 miles2h 0m
View Details
Aug 28, 20253.0t CO₂
KSBPSan Luis Obispo
KMSOMissoula
875 miles2h 1m
View Details
Aug 28, 20259.0t CO₂
KSMXSanta Maria
KSBPSan Luis Obispo
26 miles5h 29m
View Details
Aug 8, 20257.1t CO₂
KCXPCarson City
KSMXSanta Maria
299 miles4h 25m
View Details
Aug 7, 20257.1t CO₂
KHHRHawthorne
KSMXSanta Maria
138 miles4h 25m
View Details
Aug 7, 20252.6t CO₂
KEKOElko
KHHRHawthorne
496 miles1h 48m
View Details
Aug 6, 20252.5t CO₂
KSMXSanta Maria
KSUNHailey
679 miles1h 45m
View Details
Jul 26, 20251.2t CO₂
KHNDLas Vegas
KSMXSanta Maria
308 miles59m
View Details
Jun 20, 20250.5t CO₂
KSBPSan Luis Obispo
KSMXSanta Maria
26 miles7m
View Details
May 13, 20250.5t CO₂
KSMXSanta Maria
KBURBurbank
129 miles24m
View Details
Apr 7, 20250.5t CO₂
KAPVApple Valley
KSBPSan Luis Obispo
201 miles35m
View Details
Apr 7, 20251.0t CO₂
KSBPSan Luis Obispo
KVGTLas Vegas
312 miles52m
View Details
Mar 26, 20251.0t CO₂
KMCCSacramento
KSBPSan Luis Obispo
240 miles53m
View Details
Mar 25, 20250.9t CO₂
KMCCSacramento
KSBPSan Luis Obispo
240 miles50m
View Details
Mar 9, 20251.9t CO₂
KSDLScottsdale
KSBPSan Luis Obispo
509 miles1h 24m
View Details
Jan 14, 20250.8t CO₂
KSBPSan Luis Obispo
KMCCSacramento
240 miles45m
View Details
Top Airports by Emissions
Santa Maria

Santa Maria

KSMX

Total CO₂

55.5t

Total Visits

22

Avg CO₂/visit

2.5t

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

Missoula

KMSO

Total CO₂

16.1t

Total Visits

6

Avg CO₂/visit

2.7t

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

San Luis Obispo

KSBP

Total CO₂

15.4t

Total Visits

4

Avg CO₂/visit

3.9t

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

Hawthorne

KHHR

Total CO₂

9.7t

Total Visits

2

Avg CO₂/visit

4.9t

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

Carson City

KCXP

Total CO₂

7.1t

Total Visits

1

Avg CO₂/visit

7.1t

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

Fort Worth

KFTW

Total CO₂

6.5t

Total Visits

1

Avg CO₂/visit

6.5t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4
Top Routes by Emissions
Santa Maria Missoula

KSMX to KMSO894 miles

Total Flights

3

Avg CO₂/Flight

3.2t

Total Emissions

9.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Santa Maria San Luis Obispo

KSMX to KSBP26 miles

Total Flights

1

Avg CO₂/Flight

9.0t

Total Emissions

9t CO₂

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

KHHR to KSMX138 miles

Total Flights

1

Avg CO₂/Flight

7.1t

Total Emissions

7.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Carson City Santa Maria

KCXP to KSMX299 miles

Total Flights

1

Avg CO₂/Flight

7.1t

Total Emissions

7.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Fort Worth Santa Maria

KFTW to KSMX1,330 miles

Total Flights

1

Avg CO₂/Flight

6.5t

Total Emissions

6.5t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
San Luis Obispo Missoula

KSBP to KMSO875 miles

Total Flights

2

Avg CO₂/Flight

3.0t

Total Emissions

6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4