Airports / Meriden Markham Municipal Airport

Meriden Markham Municipal Airport(KMMK)

Meriden, United States

Last updated: Mar 12, 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

29.2
Tons CO2 Total
1.1
Avg CO2/Flight
28
Flights Total
Emissions Intensity0.01t CO₂/nm
23.5 tons CO2 in selected period

Airport Patterns

Emissions up 220% vs prior period — significantly busier than prior period

24t
Total CO₂
1.1t
Avg CO₂/flight
28
Flights
Operator Profile

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

Emissions
283%
8t → 29t CO₂
CO₂ Intensity
9%
1.2t → 1.1t per departure
Flight Count
21
7 → 28 flights
New Routes
19
25t CO₂ combined
Dropped Routes
3
Prior period only
New Aircraft
24
24 new tail numbers
Top Destinations
Ocala5.3t CO₂
1 flight · avg 5.3t/flight
Bedford3.5t CO₂
5 flights · avg 0.7t/flight
Charlotte2.7t CO₂
1 flight · avg 2.7t/flight
Buffalo2.0t CO₂
1 flight · avg 2.0t/flight
Worcester1.9t CO₂
2 flights · avg 1.0t/flight

Spikes

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

CO₂ Above Baseline

10t

Signals Detected

5

Highest Severity

High

HighApr 12, 2025 – Apr 18, 2025

Elevated activity Apr 12, 2025 – Apr 18, 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 241%.

0.5t CO₂

HighAug 31, 2025 – Sep 6, 2025

Elevated activity Aug 31, 2025 – Sep 6, 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 241%.

2.0t CO₂

HighSep 19, 2025 – Sep 25, 2025

Elevated activity Sep 19, 2025 – Sep 25, 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 241%.

2.0t CO₂

HighOct 25, 2025

Single high-emission departure N208QS → KOCF on Oct 25, 2025 — 5.3t CO₂, 100% of day's total

Aircraft N208QS departing to KOCF produced 5.3t CO₂, representing 100% of all airport emissions on Oct 25, 2025.

5.3t CO₂

MediumMay 19, 2025 – Jun 29, 2025

41-day gap in recorded activity ending Jun 29, 2025

Airport had 41 consecutive days with zero recorded flights before activity resumed on Jun 29, 2025.

0.3t CO₂

Route Map

Top Routes by Emissions
MeridenOcala

KMMK to KOCF · 1,002 miles

Total Flights

1

Avg CO₂/Flight

5.3t

Total Emissions

5.3t CO₂

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

KMMK to KBED · 103 miles

Total Flights

5

Avg CO₂/Flight

0.7t

Total Emissions

3.5t CO₂

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

KMMK to KCLT · 618 miles

Total Flights

1

Avg CO₂/Flight

2.7t

Total Emissions

2.7t CO₂

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

KMMK to KBUF · 318 miles

Total Flights

1

Avg CO₂/Flight

2.0t

Total Emissions

2.0t CO₂

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

KMMK to KORH · 72 miles

Total Flights

2

Avg CO₂/Flight

1.0t

Total Emissions

1.9t CO₂

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

KMMK to KCHO · 378 miles

Total Flights

1

Avg CO₂/Flight

1.6t

Total Emissions

1.6t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Aircraft Using This Airport
View All Aircraft
N208QSCharter·Bombardier Challenger 600
5.3t CO₂ · avg 5.3t/visit · 1 visit · Last seen 25 Oct 2025
9H-FJX·Embraer Phenom 300
2.7t CO₂ · avg 2.7t/visit · 1 visit · Last seen 24 Aug 2025
N380CRCharter·Gulfstream GIV
2.0t CO₂ · avg 2.0t/visit · 1 visit · Last seen 15 Oct 2025
N724ASCharter·Bombardier Challenger 300
2.0t CO₂ · avg 2.0t/visit · 1 visit · Last seen 10 Oct 2025
N325NDCharter·Cessna Citation XLS
1.6t CO₂ · avg 1.6t/visit · 1 visit · Last seen 20 Sept 2025
N98YC·Dassault Falcon 900
1.2t CO₂ · avg 1.2t/visit · 1 visit · Last seen 19 May 2025
N280RR·Gulfstream G280
1.1t CO₂ · avg 1.1t/visit · 1 visit · Last seen 6 Sept 2025
N622HA·Bombardier Challenger 600
1.0t CO₂ · avg 1.0t/visit · 1 visit · Last seen 16 Oct 2025
N808QSCharter·Cessna Citation Longitude
1.0t CO₂ · avg 1.0t/visit · 1 visit · Last seen 12 Jul 2025
N158PH·Bombardier Challenger 300
1.0t CO₂ · avg 1.0t/visit · 1 visit · Last seen 3 Sept 2025
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period