N325SJ
Cessna Citation II
United States
PIE (St. Petersburg-Clearwater International Airport, St Petersburg-Clearwater)

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Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Emissions Overview

9.8
Tons CO2 This Month
Above Average2.2× avg for Citation II
9.8
Tons CO2 YTD
Typical0.9× avg for Citation II
41.6
CO2 Tons Since 2025
Below Average0.7× avg for Citation II
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Citation II
38.1 tons CO2 in selected period

2026 pace: On track for approximately 39t CO₂ by year end · ↑ 23% vs full year 2025 (32t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 2.6t CO₂/month

2.6t
CO₂/month
3.1t
Avg per flight
10
Distinct routes
Moderately Concentrated3 routes account for 53% of total emissions
Highest emission route
Teterboro → Houston
7.7t CO₂ total · 0.0061t CO₂/nm

Seasonal pattern: Historically peaks in September · Current month is 19% above March 2025

🇺🇸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
Prior data unavailable
Intensity
Prior data unavailable
New Routes
8
27t CO₂ combined
Dropped Routes
1
Prior period only
Avg per Flight
Prior data unavailable
Flight Count
Prior data unavailable

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

39t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New29 Jun – 5 Jul 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 4t CO₂ to period total — 13% of period emissions
Aircraft
Medium
New8 Sept – 21 Sept 2025
Elevated activity period · 2 flights in 13 days vs baseline of 1
Contributed approximately 7t CO₂ to period total — 24% of period emissions
Aircraft
High
New20 Oct – 18 Nov 2025
Elevated activity period · 3 flights in 29 days vs baseline of 1
Contributed approximately 14t CO₂ to period total — 45% of period emissions
Aircraft
Medium
Historical29 Jun – 14 Sept 2025
76-day inactive period
7.3t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical15 Sept – 26 Oct 2025
41-day inactive period
6.2t CO₂ in the 7 days following resumption
Recent Flights
Mar 1, 20264.2t CO₂
KSGRHouston
KAPADenver
861 miles2h 31m
Dec 30, 20250.9t CO₂
KPIESt Petersburg-Clearwater
KOPFMiami
203 miles47m
Dec 27, 20250.5t CO₂
KEDCPflugerville
KTMEHouston
108 miles25m
Nov 18, 20257.7t CO₂
KTEBTeterboro
KTMEHouston
1,441 miles4h 23m
View Details
Oct 30, 20254.6t CO₂
KHNDLas Vegas
KSGRHouston
1,210 miles2h 45m
View Details
Oct 26, 20251.6t CO₂
KCCRConcord
KHNDLas Vegas
406 miles1h 11m
View Details
Sep 15, 20253.9t CO₂
KPIESt Petersburg-Clearwater
KSGRHouston
793 miles2h 23m
View Details
Sep 14, 20253.5t CO₂
KPIESt Petersburg-Clearwater
MBACBig Ambergris Cay
830 miles2h 9m
View Details
Jun 29, 20250.5t CO₂
KSTSSanta Rosa
NaN miles25m
View Details
Jun 29, 20253.4t CO₂
KWVIWatsonville
NaN miles2h 8m
View Details
Mar 10, 20253.5t CO₂
KTEXTelluride
KSGRHouston
907 miles2h 12m
View Details
Top Airports by Emissions
Houston

Houston

KSGR

Total CO₂

12.6t

Total Visits

3

Avg CO₂/visit

4.2t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
St Petersburg-Clearwater

St Petersburg-Clearwater

KPIE

Total CO₂

8.2t

Total Visits

3

Avg CO₂/visit

2.7t

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

Houston

KTME

Total CO₂

8.2t

Total Visits

2

Avg CO₂/visit

4.1t

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

Teterboro

KTEB

Total CO₂

7.7t

Total Visits

1

Avg CO₂/visit

7.7t

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

Las Vegas

KHND

Total CO₂

6.2t

Total Visits

2

Avg CO₂/visit

3.1t

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

Denver

KAPA

Total CO₂

4.2t

Total Visits

1

Avg CO₂/visit

4.2t

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

KTEB to KTME1,442 miles

Total Flights

1

Avg CO₂/Flight

7.7t

Total Emissions

7.7t CO₂

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

KHND to KSGR1,211 miles

Total Flights

1

Avg CO₂/Flight

4.6t

Total Emissions

4.6t CO₂

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

KSGR to KAPA862 miles

Total Flights

1

Avg CO₂/Flight

4.2t

Total Emissions

4.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
St Petersburg-Clearwater Houston

KPIE to KSGR794 miles

Total Flights

1

Avg CO₂/Flight

3.9t

Total Emissions

3.9t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
St Petersburg-Clearwater Big Ambergris Cay

KPIE to MBAC830 miles

Total Flights

1

Avg CO₂/Flight

3.5t

Total Emissions

3.5t CO₂

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

KCCR to KHND406 miles

Total Flights

1

Avg CO₂/Flight

1.6t

Total Emissions

1.6t CO₂

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