Airports / Joseph State Airport

Joseph State Airport(KJSY)

United States

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

Activity Summary

316.3
Tons CO2 Total
3.7
Avg CO2/Flight
110
Flights Total
Emissions Intensity0.01t CO₂/nm
260.8 tons CO2 in selected period

Airport Patterns

Emissions up 664% vs prior period — significantly busier than prior period

261t
Total CO₂
3.7t
Avg CO₂/flight
110
Flights
Operator Profile

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

Emissions
>300%
36t → 316t CO₂
CO₂ Intensity
29%
2.8t → 3.7t per departure
Flight Count
Prior data incomplete
New Routes
60
262t CO₂ combined
Dropped Routes
4
Prior period only
New Aircraft
80
80 new tail numbers
Top Destinations
Tokyo43.0t CO₂
1 flight · avg 43.0t/flight
Van Nuys21.2t CO₂
4 flights · avg 5.3t/flight
Philadelphia16.7t CO₂
1 flight · avg 16.7t/flight
Anchorage14.0t CO₂
1 flight · avg 14.0t/flight
Santa Ana12.0t CO₂
3 flights · avg 4.0t/flight

Spikes

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

CO₂ Above Baseline

75t

Signals Detected

5

Highest Severity

High

MediumMay 18, 2025 – May 24, 2025

Elevated activity May 18, 2025 – May 24, 2025 — 5 flights in 7 days vs baseline of 2

5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 135%.

11.7t CO₂

MediumJun 13, 2025 – Jun 19, 2025

Elevated activity Jun 13, 2025 – Jun 19, 2025 — 6 flights in 7 days vs baseline of 2

6 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 182%.

8.7t CO₂

MediumJun 23, 2025 – Jun 29, 2025

Elevated activity Jun 23, 2025 – Jun 29, 2025 — 5 flights in 7 days vs baseline of 2

5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 135%.

10.7t CO₂

HighFeb 6, 2026

Single high-emission departure N985PK → RJTT on Feb 6, 2026 — 43.0t CO₂, 100% of day's total

Aircraft N985PK departing to RJTT produced 43.0t CO₂, representing 100% of all airport emissions on Feb 6, 2026.

43.0t CO₂

LowApr 2, 2025 – Apr 22, 2025

21-day gap in recorded activity ending Apr 22, 2025

Airport had 21 consecutive days with zero recorded flights before activity resumed on Apr 22, 2025.

1.3t CO₂

Route Map

Top Routes by Emissions
JSYTokyo

KJSY to RJTT · 5,073 miles

Total Flights

1

Avg CO₂/Flight

43.0t

Total Emissions

43.0t CO₂

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

KJSY to KVNY · 773 miles

Total Flights

4

Avg CO₂/Flight

5.3t

Total Emissions

21.2t CO₂

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

KJSY to KPHL · 2,144 miles

Total Flights

1

Avg CO₂/Flight

16.7t

Total Emissions

16.7t CO₂

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

KJSY to PANC · 1,709 miles

Total Flights

1

Avg CO₂/Flight

14.0t

Total Emissions

14.0t CO₂

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

KJSY to KSNA · 808 miles

Total Flights

3

Avg CO₂/Flight

4.0t

Total Emissions

12.0t CO₂

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

KJSY to KCRQ · 845 miles

Total Flights

2

Avg CO₂/Flight

4.4t

Total Emissions

8.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Aircraft Using This Airport
View All Aircraft
N985PK·Bombardier Global 5000
43.0t CO₂ · avg 43.0t/visit · 1 visit · Last seen 6 Feb 2026
N235BH·Gulfstream G650
16.7t CO₂ · avg 16.7t/visit · 1 visit · Last seen 28 Jul 2025
N129NSCharter·Gulfstream GIV
14.0t CO₂ · avg 14.0t/visit · 1 visit · Last seen 31 Jul 2025
N326AZCharter·Gulfstream G600
12.4t CO₂ · avg 6.2t/visit · 2 visits · Last seen 17 Aug 2025
N471QSCharter·Embraer Phenom 300
8.2t CO₂ · avg 8.2t/visit · 1 visit · Last seen 2 Apr 2025
N607SBCharter·Gulfstream GIV
8.2t CO₂ · avg 8.2t/visit · 1 visit · Last seen 2 Aug 2025
N847JSCharter·Cessna Citation XLS
8.0t CO₂ · avg 4.0t/visit · 2 visits · Last seen 27 Feb 2026
N777MS·Bombardier Challenger 300
7.8t CO₂ · avg 7.8t/visit · 1 visit · Last seen 4 Aug 2025
N600FXCharter·Embraer Praetor 600
7.1t CO₂ · avg 7.1t/visit · 1 visit · Last seen 17 Aug 2025
N855QSCharter·Cessna Citation Longitude
6.7t CO₂ · avg 6.7t/visit · 1 visit · Last seen 27 Jul 2025
Page 1 of 9

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period