Airports / Kumejima Airport

Kumejima Airport(ROKJ)

Kumejima, Japan

Last updated: Mar 29, 2026

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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 increasing vs prior period

Activity Summary

113.4
Tons CO2 Total
4.0
Avg CO2/Flight
33
Flights Total
Emissions Intensity0.00t CO₂/nm
20.1 tons CO2 in selected period

Airport Patterns

17 aircraft not previously recorded at this airport appeared this period

20t
Total CO₂
4.0t
Avg CO₂/flight
33
Flights
Operator Profile

Charter/owner classification not available for this airport's flights

Emissions
203%
37t → 113t CO₂
CO₂ Intensity
59%
9.7t → 4.0t per departure
Flight Count
Prior data incomplete
New Routes
11
51t CO₂ combined
Dropped Routes
2
Prior period only
New Aircraft
17
17 new tail numbers
Top Destinations
Hong Kong7.9t CO₂
1 flight · avg 7.9t/flight
Osaka6.4t CO₂
1 flight · avg 6.4t/flight
1 flight · avg 4.9t/flight
Naha1.0t CO₂
1 flight · avg 1.0t/flight
Singapore0.0t CO₂
1 flight · avg 0.0t/flight

Spikes

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

CO₂ Above Baseline

26t

Signals Detected

5

Highest Severity

High

MediumApr 20, 2025 – Apr 26, 2025

Elevated activity Apr 20, 2025 – Apr 26, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 197%.

13.6t CO₂

MediumJun 17, 2025 – Jun 23, 2025

Elevated activity Jun 17, 2025 – Jun 23, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 197%.

MediumJul 1, 2025 – Jul 7, 2025

Elevated activity Jul 1, 2025 – Jul 7, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 197%.

4.2t CO₂

HighMar 28, 2026

Single high-emission departure VP-CSL → ROKJ on Mar 28, 2026 — 8.6t CO₂, 100% of day's total

Aircraft VP-CSL departing to ROKJ produced 8.6t CO₂, representing 100% of all airport emissions on Mar 28, 2026.

8.6t CO₂

MediumApr 26, 2025 – Jun 23, 2025

59-day gap in recorded activity ending Jun 23, 2025

Airport had 59 consecutive days with zero recorded flights before activity resumed on Jun 23, 2025.

Route Map

Top Routes by Emissions
KumejimaHong Kong

ROKJ to VHHH · 851 miles

Total Flights

1

Avg CO₂/Flight

7.9t

Total Emissions

7.9t CO₂

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

ROKJ to RJBB · 754 miles

Total Flights

1

Avg CO₂/Flight

6.4t

Total Emissions

6.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
KumejimaNossa Senhora do Carmo

ROKJ to VMMC · 876 miles

Total Flights

1

Avg CO₂/Flight

4.9t

Total Emissions

4.9t CO₂

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

ROKJ to ROAH · 59 miles

Total Flights

1

Avg CO₂/Flight

1.0t

Total Emissions

1.0t CO₂

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

ROKJ to WSSL · 2,296 miles

Total Flights

1

Avg CO₂/Flight

0.0t

Total Emissions

0.0t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Aircraft Using This Airport
View All Aircraft
9H-VIK·Bombardier Global 7500
7.9t CO₂ · avg 7.9t/visit · 1 visit · Last seen 20 Apr 2025
VP-CSL·Gulfstream G650
6.4t CO₂ · avg 3.2t/visit · 2 visits · Last seen 29 Mar 2026
9H-VFM·Bombardier Challenger 600
4.9t CO₂ · avg 4.9t/visit · 1 visit · Last seen 2 Nov 2025
JA572A·Dassault Falcon 2000
1.0t CO₂ · avg 0.5t/visit · 2 visits · Last seen 23 Feb 2026
N889ST·Bombardier Global 6000/6500
0.0t CO₂ · avg 0.0t/visit · 2 visits · Last seen 23 Jun 2025
JA577A·Dassault Falcon 2000
0.0t CO₂ · avg 0.0t/visit · 1 visit · Last seen 20 Mar 2026
T7-24P·Pilatus PC-24
0.0t CO₂ · avg 0.0t/visit · 4 visits · Last seen 13 Mar 2026
N591SR·Bombardier Global 6000/6500
0.0t CO₂ · avg 0.0t/visit · 1 visit · Last seen 13 Mar 2026
JA012G·Cessna Citation CJ4
0.0t CO₂ · avg 0.0t/visit · 2 visits · Last seen 23 Feb 2026
JA701G·Cessna Citation Longitude
0.0t CO₂ · avg 0.0t/visit · 1 visit · Last seen 23 Feb 2026
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period