Airports / Fremont Municipal Airport

Fremont Municipal Airport(KFFX)

Fremont, United States

Last updated: Feb 5, 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

Activity Summary

105.3
Tons CO2 Total
1.9
Avg CO2/Flight
49
Flights Total
Emissions Intensity0.00t CO₂/nm
57.9 tons CO2 in selected period

Airport Patterns

Emissions up 484% vs prior period — significantly busier than prior period

58t
Total CO₂
1.9t
Avg CO₂/flight
49
Flights
Operator Profile

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

Emissions
>300%
16t → 105t CO₂
CO₂ Intensity
42%
3.3t → 1.9t per departure
Flight Count
Prior data incomplete
New Routes
37
86t CO₂ combined
Dropped Routes
2
Prior period only
New Aircraft
36
36 new tail numbers
Top Destinations
Denver6.2t CO₂
1 flight · avg 6.2t/flight
West Palm Beach5.1t CO₂
1 flight · avg 5.1t/flight
Miami4.5t CO₂
1 flight · avg 4.5t/flight
1 flight · avg 3.9t/flight
Bedford3.6t CO₂
1 flight · avg 3.6t/flight

Spikes

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

CO₂ Above Baseline

28t

Signals Detected

5

Highest Severity

High

HighMay 30, 2025 – Jun 5, 2025

Elevated activity May 30, 2025 – Jun 5, 2025 — 5 flights in 7 days vs baseline of 1

5 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 293%.

5.3t CO₂

HighJun 21, 2025 – Jun 27, 2025

Elevated activity Jun 21, 2025 – Jun 27, 2025 — 4 flights in 7 days vs baseline of 1

4 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 215%.

6.9t CO₂

MediumJun 28, 2025 – Jul 4, 2025

Elevated activity Jun 28, 2025 – Jul 4, 2025 — 3 flights in 7 days vs baseline of 1

3 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 136%.

4.5t CO₂

HighOct 2, 2025

Single high-emission departure N818CF → KFFX on Oct 2, 2025 — 10.6t CO₂, 61% of day's total

Aircraft N818CF departing to KFFX produced 10.6t CO₂, representing 61% of all airport emissions on Oct 2, 2025.

10.6t CO₂

LowJul 3, 2025 – Jul 21, 2025

18-day gap in recorded activity ending Jul 21, 2025

Airport had 18 consecutive days with zero recorded flights before activity resumed on Jul 21, 2025.

0.9t CO₂

Route Map

Top Routes by Emissions
FremontDenver

KFFX to KAPA · 1,009 miles

Total Flights

1

Avg CO₂/Flight

6.2t

Total Emissions

6.2t CO₂

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

KFFX to KPBI · 1,204 miles

Total Flights

1

Avg CO₂/Flight

5.1t

Total Emissions

5.1t CO₂

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

KFFX to KOPF · 1,254 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
FremontBeverly / Danvers

KFFX to KBVY · 763 miles

Total Flights

1

Avg CO₂/Flight

3.9t

Total Emissions

3.9t CO₂

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

KFFX to KBED · 746 miles

Total Flights

1

Avg CO₂/Flight

3.6t

Total Emissions

3.6t CO₂

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

KFFX to KMYJ · 423 miles

Total Flights

1

Avg CO₂/Flight

3.3t

Total Emissions

3.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 5
Aircraft Using This Airport
View All Aircraft
N910QSCharter·Cessna Citation Latitude
6.2t CO₂ · avg 3.1t/visit · 2 visits · Last seen 3 Feb 2026
N1HSCharter·Cessna Citation X
6.2t CO₂ · avg 6.2t/visit · 1 visit · Last seen 19 Dec 2025
N881MJCharter·Bombardier Learjet 45
4.5t CO₂ · avg 4.5t/visit · 1 visit · Last seen 3 Jan 2026
N860TXCharter·Cessna Citation X
3.9t CO₂ · avg 3.9t/visit · 1 visit · Last seen 11 Oct 2025
N818CFCharter·Cessna Citation X
3.6t CO₂ · avg 1.8t/visit · 2 visits · Last seen 2 Oct 2025
N400RKCharter·Cessna Citation CJ3
3.3t CO₂ · avg 3.3t/visit · 1 visit · Last seen 18 Sept 2025
N570MPCharter·Bombardier Learjet 45
3.1t CO₂ · avg 3.1t/visit · 1 visit · Last seen 2 Oct 2025
N444FXCharter·Embraer Praetor 500
3.0t CO₂ · avg 1.5t/visit · 2 visits · Last seen 14 Oct 2025
N907QSCharter·Cessna Citation Latitude
2.6t CO₂ · avg 2.6t/visit · 1 visit · Last seen 14 Oct 2025
N362JECharter·Bombardier Challenger 300
2.6t CO₂ · avg 2.6t/visit · 1 visit · Last seen 12 May 2025
Page 1 of 4

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period