N604PJ
Cessna Citation SII
United States
NQX (Naval Air Station Key West, Key West)

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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

0.5
Tons CO2 This Month
Below Average0.1× avg for Citation SII
0.5
Tons CO2 YTD
Below Average0.0× avg for Citation SII
23.5
CO2 Tons Since 2025
Below Average0.4× avg for Citation SII
Emissions Intensity0.01t CO₂/nmBelow Average0.6× avg for Citation SII
10.6 tons CO2 in selected period

2026 pace: On track for approximately 2t CO₂ by year end · ↓ 91% vs full year 2025 (23t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 0.9t CO₂/month

0.9t
CO₂/month
3.5t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Austin → Waukesha
5.8t CO₂ total · 0.0065t 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
Prior data unavailable
Intensity
Prior data unavailable
New Routes
3
11t CO₂ combined
Dropped Routes
2
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

12t

Signals Detected

3

Highest Severity

High

Emissions
High
New10 Nov 2025 · Austin → Waukesha
Highest single-flight emission event (Austin → Waukesha)
Single flight: 5.8t CO₂ — 54% of period emissions
Aircraft
Medium
Historical24 Aug – 10 Nov 2025
78-day inactive period
5.8t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical10 Nov 2025 – 7 Mar 2026
117-day inactive period
0.5t CO₂ in the 7 days following resumption
Recent Flights
Mar 7, 20260.5t CO₂
KNQXKey West
KTMBMiami
108 miles36m
Nov 10, 20255.8t CO₂
KAUSAustin
KUESWaukesha
1,028 miles3h 38m
Aug 24, 20254.3t CO₂
KBZNBozeman
KUESWaukesha
1,142 miles2h 47m
Feb 23, 20259.3t CO₂
KHNDLas Vegas
KFMYFort Myers
2,056 miles5h 39m
View Details
Jan 28, 20253.6t CO₂
KSUSSt Louis
KFMYFort Myers
977 miles2h 21m
View Details
Top Airports by Emissions
Top Routes by Emissions
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