JA008G
Cessna Citation CJ4
Japan
HND (Tokyo International Airport, Tokyo)

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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

2.5
Tons CO2 This Month
Below Average0.3× avg for Citation CJ4
15.8
Tons CO2 YTD
Below Average0.6× avg for Citation CJ4
28.9
CO2 Tons Since 2025
Below Average0.2× avg for Citation CJ4
Emissions Intensity0.02t CO₂/nmAbove Average2.5× avg for Citation CJ4
28.9 tons CO2 in selected period

2026 pace: On track for approximately 63t CO₂ by year end · ↑ 382% vs full year 2025 (13t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 2.0t CO₂/month

2.0t
CO₂/month
1.7t
Avg per flight
13
Distinct routes
Moderately Concentrated3 routes account for 47% of total emissions
Highest emission route
Tokyo → Nagoya
4.8t CO₂ total · 0.0157t CO₂/nm
Japan·52 aircraft tracked·Ranked 54th by emissions among 109 countries·0.7× country averageBelow Average
What's ChangedCompared to prior equivalent period
Emissions
Prior data unavailable
Intensity
Prior data unavailable
New Routes
13
24t CO₂ combined
Dropped Routes
0
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

26t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New9 Apr – 1 May 2025
Elevated activity period · 2 flights in 22 days vs baseline of 1
Contributed approximately 3t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New6 Jun – 29 Jun 2025
Elevated activity period · 1 flights in 23 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 8% of period emissions
Aircraft
High
New21 Nov 2025 – 28 Jan 2026
Elevated activity period · 9 flights in 68 days vs baseline of 3
Contributed approximately 17t CO₂ to period total — 72% of period emissions
Aircraft
Medium
Historical9 Apr – 1 May 2025
22-day inactive period
2.1t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical1 May – 12 Jun 2025
42-day inactive period
1.9t CO₂ in the 7 days following resumption
Recent Flights
Feb 24, 20261.3t CO₂
RJGGNagoya
RJFNShintomi
363 miles1h 4m
Jan 23, 20261.5t CO₂
RJBEKobe
RJBBOsaka
14 miles1h 10m
Jan 21, 20263.9t CO₂
RJGGNagoya
RJBEKobe
91 miles2h 35m
Jan 9, 20261.7t CO₂
RJTTTokyo
RJGGNagoya
175 miles1h 15m
View Details
Jan 7, 20260.9t CO₂
RJSNNiigata
RJTTTokyo
170 miles46m
View Details
Jan 7, 20261.9t CO₂
RJTTTokyo
RJSNNiigata
170 miles1h 25m
View Details
Jan 6, 20260.5t CO₂
RJTTTokyo
RJTOIzu Oshima
58 miles13m
View Details
Dec 22, 20251.1t CO₂
RJOOOsaka
RJBEKobe
16 miles54m
View Details
Dec 15, 20252.4t CO₂
RJTTTokyo
RJCJChitose
510 miles1h 42m
View Details
Nov 27, 20253.1t CO₂
RJTTTokyo
RJGGNagoya
175 miles2h 6m
View Details
Jun 29, 20250.5t CO₂
RJTTTokyo
RJSCHigashine
200 miles35m
View Details
Jun 12, 20251.9t CO₂
RJTTTokyo
RJSFSukagawa
121 miles1h 25m
View Details
May 1, 20252.1t CO₂
RJTTTokyo
RJNHHamamatsu
130 miles1h 31m
View Details
Apr 9, 20250.6t CO₂
RJGGNagoya
RJBHHiroshima
252 miles39m
View Details
Top Airports by Emissions
Tokyo

Tokyo

RJTT

Total CO₂

15.1t

Total Visits

9

Avg CO₂/visit

1.7t

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

Nagoya

RJGG

Total CO₂

10.7t

Total Visits

5

Avg CO₂/visit

2.1t

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

Kobe

RJBE

Total CO₂

6.5t

Total Visits

3

Avg CO₂/visit

2.2t

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

Niigata

RJSN

Total CO₂

2.8t

Total Visits

2

Avg CO₂/visit

1.4t

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

Chitose

RJCJ

Total CO₂

2.4t

Total Visits

1

Avg CO₂/visit

2.4t

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

Hamamatsu

RJNH

Total CO₂

2.1t

Total Visits

1

Avg CO₂/visit

2.1t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3
Top Routes by Emissions
Tokyo Nagoya

RJTT to RJGG175 miles

Total Flights

2

Avg CO₂/Flight

2.4t

Total Emissions

4.8t CO₂

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

RJGG to RJBE91 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
Tokyo Chitose

RJTT to RJCJ510 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
Tokyo Hamamatsu

RJTT to RJNH130 miles

Total Flights

1

Avg CO₂/Flight

2.1t

Total Emissions

2.1t CO₂

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

RJTT to RJSF121 miles

Total Flights

1

Avg CO₂/Flight

1.9t

Total Emissions

1.9t CO₂

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

RJTT to RJSN170 miles

Total Flights

1

Avg CO₂/Flight

1.9t

Total Emissions

1.9t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3