Airports / Jefferson Municipal Airport

Jefferson Municipal Airport(KEFW)

Jefferson, United States

Last updated: Mar 15, 2026

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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025
May 2025 – Apr 2026·vs May 2024 – May 2025· Emissions increasing vs prior period

Activity Summary

36.8
Tons CO2 Total
1.9
Avg CO2/Flight
21
Flights Total
Emissions Intensity0.01t CO₂/nm
33.3 tons CO2 in selected period

Airport Patterns

18 aircraft not previously recorded at this airport appeared this period

33t
Total CO₂
1.9t
Avg CO₂/flight
21
Flights
Operator Profile

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

Emissions
18%
31t → 37t CO₂
CO₂ Intensity
64%
5.1t → 1.9t per departure
Flight Count
14
7 → 21 flights
New Routes
17
35t CO₂ combined
Dropped Routes
6
Prior period only
New Aircraft
18
18 new tail numbers
Top Destinations
Denver6.1t CO₂
1 flight · avg 6.1t/flight
Teterboro4.6t CO₂
1 flight · avg 4.6t/flight
Salt Lake City4.5t CO₂
1 flight · avg 4.5t/flight
Minneapolis3.5t CO₂
3 flights · avg 1.2t/flight
Loveland2.7t CO₂
1 flight · avg 2.7t/flight

Spikes

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

CO₂ Above Baseline

12t

Signals Detected

5

Highest Severity

High

HighMay 10, 2025 – May 16, 2025

Elevated activity May 10, 2025 – May 16, 2025 — 2 flights in 7 days vs baseline of 0

2 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 321%.

3.8t CO₂

MediumMay 17, 2025 – May 23, 2025

Elevated activity May 17, 2025 – May 23, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 110%.

0.6t CO₂

MediumMay 24, 2025 – May 30, 2025

Elevated activity May 24, 2025 – May 30, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 110%.

1.0t CO₂

HighFeb 1, 2026

Single high-emission departure N650KT → KAPA on Feb 1, 2026 — 6.1t CO₂, 100% of day's total

Aircraft N650KT departing to KAPA produced 6.1t CO₂, representing 100% of all airport emissions on Feb 1, 2026.

6.1t CO₂

MediumJun 10, 2025 – Jul 14, 2025

33-day gap in recorded activity ending Jul 14, 2025

Airport had 33 consecutive days with zero recorded flights before activity resumed on Jul 14, 2025.

1.0t CO₂

Route Map

Top Routes by Emissions
JeffersonDenver

KEFW to KAPA · 575 miles

Total Flights

1

Avg CO₂/Flight

6.1t

Total Emissions

6.1t CO₂

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

KEFW to KTEB · 1,051 miles

Total Flights

1

Avg CO₂/Flight

4.6t

Total Emissions

4.6t CO₂

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

KEFW to KSLC · 916 miles

Total Flights

1

Avg CO₂/Flight

4.5t

Total Emissions

4.5t CO₂

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

KEFW to KMSP · 206 miles

Total Flights

3

Avg CO₂/Flight

1.2t

Total Emissions

3.5t CO₂

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

KEFW to KFNL · 564 miles

Total Flights

1

Avg CO₂/Flight

2.7t

Total Emissions

2.7t CO₂

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

KEFW to KOMA · 94 miles

Total Flights

2

Avg CO₂/Flight

1.0t

Total Emissions

2.0t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
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Aircraft Using This Airport
View All Aircraft
N650KT·Gulfstream G650
6.1t CO₂ · avg 6.1t/visit · 1 visit · Last seen 1 Feb 2026
N104QT·Dassault Falcon 2000
4.6t CO₂ · avg 4.6t/visit · 1 visit · Last seen 11 Oct 2025
N608BT·Cessna Citation XLS
4.5t CO₂ · avg 4.5t/visit · 1 visit · Last seen 30 Nov 2025
N577FXCharter·Bombardier Challenger 300
2.7t CO₂ · avg 2.7t/visit · 1 visit · Last seen 9 Aug 2025
N848JACharter·Gulfstream GV
2.0t CO₂ · avg 2.0t/visit · 1 visit · Last seen 11 Dec 2025
N885JFCharter·Cessna Citation CJ3
1.9t CO₂ · avg 1.9t/visit · 1 visit · Last seen 20 Aug 2025
N176QSCharter·Bombardier Global 7500
1.9t CO₂ · avg 0.9t/visit · 2 visits · Last seen 10 May 2025
N575RE·Cessna Citation CJ3
1.2t CO₂ · avg 1.2t/visit · 1 visit · Last seen 2 Mar 2026
N4000KCharter·Cessna Citation XLS
1.1t CO₂ · avg 1.1t/visit · 1 visit · Last seen 29 Jan 2026
N254DV·Embraer Praetor 600
1.0t CO₂ · avg 0.5t/visit · 2 visits · Last seen 10 Sept 2025
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period