N98CH
Cessna Citation CJ4
United States
LEX (Blue Grass Airport, Lexington)

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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

0.0
Tons CO2 This Month
Below Average0.0× avg for Citation CJ4
0.8
Tons CO2 YTD
Below Average0.0× avg for Citation CJ4
20.1
CO2 Tons Since 2025
Below Average0.2× avg for Citation CJ4
Emissions Intensity0.01t CO₂/nmAbove Average2.0× avg for Citation CJ4
15.4 tons CO2 in selected period

2026 pace: On track for approximately 3t CO₂ by year end · ↓ 83% vs full year 2025 (19t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 1.7t CO₂/month

1.7t
CO₂/month
2.9t
Avg per flight
5
Distinct routes
Highly Concentrated3 routes account for 88% of total emissions
Highest emission route
Lexington → Houston
10.1t CO₂ total · 0.0047t 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
5
20t 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

16t

Signals Detected

5

Highest Severity

Medium

Emissions
Medium
New26 Feb 2026 · Houston → Palm Springs
Highest single-flight emission event (Houston → Palm Springs)
Single flight: 5.1t CO₂ — 25% of period emissions
Aircraft
Medium
New14 Jul – 6 Aug 2025
Elevated activity period · 1 flights in 23 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 18% of period emissions
Aircraft
Medium
New22 Oct – 5 Nov 2025
Elevated activity period · 1 flights in 14 days vs baseline of 0
Contributed approximately 3t CO₂ to period total — 17% of period emissions
Aircraft
Medium
Historical14 Jul – 6 Aug 2025
24-day inactive period
2.4t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical6 Aug – 4 Oct 2025
59-day inactive period
1.7t CO₂ in the 7 days following resumption
Recent Flights
Feb 26, 20265.1t CO₂
KDWHHouston
KTRMPalm Springs
1,232 miles3h 16m
Jan 17, 20260.8t CO₂
KOCFOcala
KECPPanama City Beach
230 miles44m
Nov 5, 20253.1t CO₂
KLEXLexington
KDWHHouston
833 miles2h 6m
Oct 28, 20253.4t CO₂
KLEXLexington
KDWHHouston
833 miles2h 17m
View Details
Oct 4, 20251.7t CO₂
KLEXLexington
KECPPanama City Beach
535 miles1h 15m
View Details
Aug 6, 20252.4t CO₂
KLEXLexington
KICTWichita
700 miles1h 41m
View Details
Jul 14, 20253.6t CO₂
KLEXLexington
KDWHHouston
833 miles2h 25m
View Details
Feb 23, 20251.7t CO₂
KFLLFt Lauderdale
KECPPanama City Beach
454 miles1h 18m
View Details
Jan 5, 20253.0t CO₂
KAJZDelta
KDWHHouston
931 miles2h 1m
View Details
Top Airports by Emissions
Houston

Houston

KDWH

Total CO₂

15.2t

Total Visits

4

Avg CO₂/visit

3.8t

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

Lexington

KLEX

Total CO₂

14.2t

Total Visits

5

Avg CO₂/visit

2.8t

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

Palm Springs

KTRM

Total CO₂

5.1t

Total Visits

1

Avg CO₂/visit

5.1t

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

Panama City Beach

KECP

Total CO₂

2.4t

Total Visits

2

Avg CO₂/visit

1.2t

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

Wichita

KICT

Total CO₂

2.4t

Total Visits

1

Avg CO₂/visit

2.4t

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

Ocala

KOCF

Total CO₂

0.8t

Total Visits

1

Avg CO₂/visit

0.8t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Top Routes by Emissions
Lexington Houston

KLEX to KDWH833 miles

Total Flights

3

Avg CO₂/Flight

3.4t

Total Emissions

10.1t CO₂

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

KDWH to KTRM1,232 miles

Total Flights

1

Avg CO₂/Flight

5.1t

Total Emissions

5.1t CO₂

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

KLEX to KICT700 miles

Total Flights

1

Avg CO₂/Flight

2.4t

Total Emissions

2.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Lexington Panama City Beach

KLEX to KECP535 miles

Total Flights

1

Avg CO₂/Flight

1.7t

Total Emissions

1.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Ocala Panama City Beach

KOCF to KECP230 miles

Total Flights

1

Avg CO₂/Flight

0.8t

Total Emissions

0.8t CO₂

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