N250BH
Cessna Citation CJ4
United States
PHX (Phoenix Sky Harbor International Airport, Phoenix)

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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

Emissions Overview

10.2
Tons CO2 This Month
Typical1.1× avg for Citation CJ4
26.3
Tons CO2 YTD
Typical1.0× avg for Citation CJ4
67.0
CO2 Tons Since 2025
Below Average0.5× avg for Citation CJ4
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Citation CJ4
49.6 tons CO2 in selected period

2026 pace: On track for approximately 105t CO₂ by year end · ↑ 158% vs full year 2025 (41t)

Flight Patterns & Behaviour

Emissions up 209% vs prior period, driven by Phoenix → Birmingham

54t
Period total CO₂
3.2t
Avg per flight
17
Flights
Moderately Concentrated3 routes account for 51% of total emissions
Highest emission route
Phoenix → Birmingham
13.2t CO₂ total · 0.0035t CO₂/nm

Seasonal pattern: Historically peaks in June · Current month is 70% above March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.2× country averageBelow Average

Subject to FAA oversight — no mandatory carbon reporting for private aviation

What's ChangedCompared to prior equivalent period
Emissions
209%
17t → 54t CO₂
Intensity
4%
0.0038 → 0.0040 t CO₂/nm
New Routes
11
54t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
45%
5.8t → 3.2t
Flight Count
Prior data incomplete

Route and airport counts may include data processing artefacts.

Spikes

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

CO₂ Above Baseline

14t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New8 Apr – 14 Apr 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
Medium
New31 May – 6 Jun 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 5t CO₂ to period total — 8% of period emissions
Aircraft
Medium
New24 Jun – 7 Jul 2025
Elevated activity period · 2 flights in 13 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 4% of period emissions
Aircraft
Medium
Historical8 Apr – 6 Jun 2025
59-day inactive period
4.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical6 Jun – 30 Jun 2025
24-day inactive period
2.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 13, 20261.9t CO₂
KOUNNorman
KBHMBirmingham
621 miles1h 22m
Mar 12, 20262.8t CO₂
KDCAWashington
KBHMBirmingham
652 miles1h 56m
Mar 11, 20264.7t CO₂
KSDLScottsdale
KBHMBirmingham
1,443 miles3h 2m
Feb 26, 20267.4t CO₂
KBHMBirmingham
KPHXPhoenix
1,450 miles4h 41m
View Details
Jan 30, 20261.6t CO₂
KOUNNorman
KBHMBirmingham
621 miles1h 14m
View Details
Jan 29, 20266.8t CO₂
KMHRSacramento
KBHMBirmingham
1,947 miles4h 19m
View Details
Jan 16, 20264.0t CO₂
KPHXPhoenix
KBHMBirmingham
1,450 miles2h 37m
View Details
Jan 5, 20262.3t CO₂
KDCAWashington
KBHMBirmingham
652 miles1h 37m
View Details
Dec 17, 20254.3t CO₂
KTUSTucson
KBHMBirmingham
1,404 miles2h 50m
View Details
Nov 7, 20252.8t CO₂
KMDTHarrisburg
KBHMBirmingham
716 miles1h 56m
View Details
Nov 5, 20252.6t CO₂
KMDTHarrisburg
KBHMBirmingham
716 miles1h 50m
View Details
Oct 21, 20250.5t CO₂
KFTYAtlanta
KBHMBirmingham
129 miles26m
View Details
Oct 3, 20254.7t CO₂
KPHXPhoenix
KBHMBirmingham
1,450 miles3h 2m
View Details
Jul 1, 20250.5t CO₂
KFTYAtlanta
KBHMBirmingham
129 miles25m
View Details
Jun 30, 20251.5t CO₂
KFTYAtlanta
KDAYDayton
423 miles1h 8m
View Details
Jun 6, 20254.5t CO₂
KPHXPhoenix
KBHMBirmingham
1,450 miles2h 57m
View Details
Apr 8, 20250.6t CO₂
KBFMMobile
KBHMBirmingham
217 miles36m
View Details
Mar 7, 20255.5t CO₂
KRNOReno
KBHMBirmingham
1,866 miles3h 30m
View Details
Feb 22, 20255.1t CO₂
KSEESan Diego/El Cajon
KBHMBirmingham
1,741 miles3h 17m
View Details
Jan 6, 20256.8t CO₂
KBHMBirmingham
KBTMButte
1,601 miles4h 17m
View Details
Top Airports by Emissions
Birmingham

Birmingham

KBHM

Total CO₂

52.1t

Total Visits

16

Avg CO₂/visit

3.3t

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

Phoenix

KPHX

Total CO₂

20.6t

Total Visits

4

Avg CO₂/visit

5.2t

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

Sacramento

KMHR

Total CO₂

6.8t

Total Visits

1

Avg CO₂/visit

6.8t

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

Harrisburg

KMDT

Total CO₂

5.5t

Total Visits

2

Avg CO₂/visit

2.7t

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

Washington

KDCA

Total CO₂

5.1t

Total Visits

2

Avg CO₂/visit

2.5t

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

Scottsdale

KSDL

Total CO₂

4.7t

Total Visits

1

Avg CO₂/visit

4.7t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 2
Top Routes by Emissions
Phoenix Birmingham

KPHX to KBHM1,451 miles

Total Flights

3

Avg CO₂/Flight

4.4t

Total Emissions

13.2t CO₂

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

KBHM to KPHX1,451 miles

Total Flights

1

Avg CO₂/Flight

7.4t

Total Emissions

7.4t CO₂

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

KMHR to KBHM1,948 miles

Total Flights

1

Avg CO₂/Flight

6.8t

Total Emissions

6.8t CO₂

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

KMDT to KBHM717 miles

Total Flights

2

Avg CO₂/Flight

2.7t

Total Emissions

5.5t CO₂

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

KDCA to KBHM653 miles

Total Flights

2

Avg CO₂/Flight

2.5t

Total Emissions

5.1t CO₂

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

KSDL to KBHM1,444 miles

Total Flights

1

Avg CO₂/Flight

4.7t

Total Emissions

4.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 2