N452CJ
Bombardier Learjet 45
United States
PIE (St. Petersburg-Clearwater International Airport, St Petersburg-Clearwater)

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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 decreasing vs prior period

Emissions Overview

0.0
Tons CO2 This Month
Below Average0.0× avg for Learjet 45
0.0
Tons CO2 YTD
Below Average0.0× avg for Learjet 45
19.6
CO2 Tons Since 2025
Below Average0.1× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Learjet 45
7.1 tons CO2 in selected period

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 0.6t CO₂/month

0.6t
CO₂/month
1.1t
Avg per flight
6
Distinct routes
Highly Concentrated3 routes account for 73% of total emissions
Highest emission route
St Petersburg-Clearwater → Owensboro
2.4t CO₂ total · 0.0038t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.1× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
44%
11t → 6t CO₂
Intensity
36%
0.0055 → 0.0036 t CO₂/nm
New Routes
5
4t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
53%
2.3t → 1.1t
Flight Count
1
5 → 6 flights

Route and airport counts may include data processing artefacts.

Spikes

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

CO₂ Above Baseline

7t

Signals Detected

5

Highest Severity

Medium

Emissions
Medium
New16 Oct 2025 · St Petersburg-Clearwater → Owensboro
Highest single-flight emission event (St Petersburg-Clearwater → Owensboro)
Single flight: 2.4t CO₂ — 38% of period emissions
Aircraft
Medium
New1 Jul – 7 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 10% of period emissions
Aircraft
Medium
New23 Sept – 14 Oct 2025
Elevated activity period · 1 flights in 21 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 25% of period emissions
Aircraft
Medium
Historical1 Jul – 17 Aug 2025
47-day inactive period
0.6t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical17 Aug – 29 Sept 2025
43-day inactive period
1.6t CO₂ in the 7 days following resumption
Recent Flights
Oct 16, 20252.4t CO₂
KPIESt Petersburg-Clearwater
KOWBOwensboro
727 miles1h 31m
Oct 14, 20250.6t CO₂
KMACMacon
KRNCMc Minnville
237 miles29m
Oct 14, 20250.6t CO₂
KPIESt Petersburg-Clearwater
KSGJSt Augustine
163 miles31m
Sep 29, 20251.6t CO₂
KSTPSaint Paul
KEVVEvansville
555 miles1h 8m
View Details
Aug 17, 20250.6t CO₂
KLEXLexington
KOWBOwensboro
141 miles21m
View Details
Jul 1, 20250.6t CO₂
KAVLAsheville
KBWGBowling Green
241 miles36m
View Details
Apr 6, 20252.2t CO₂
KPIESt Petersburg-Clearwater
KOWBOwensboro
727 miles1h 26m
View Details
Apr 5, 20254.7t CO₂
KAPTJasper
KPIESt Petersburg-Clearwater
522 miles2h 43m
View Details
Apr 4, 20250.6t CO₂
KPIESt Petersburg-Clearwater
KMCOOrlando
91 miles31m
View Details
Feb 28, 20250.8t CO₂
KPDKAtlanta
KOWBOwensboro
311 miles41m
View Details
Jan 15, 20253.2t CO₂
KOWBOwensboro
KHOUHouston
727 miles1h 55m
View Details
Top Airports by Emissions
St Petersburg-Clearwater

St Petersburg-Clearwater

KPIE

Total CO₂

3.0t

Total Visits

2

Avg CO₂/visit

1.5t

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

Owensboro

KOWB

Total CO₂

3.0t

Total Visits

2

Avg CO₂/visit

1.5t

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

Saint Paul

KSTP

Total CO₂

1.6t

Total Visits

1

Avg CO₂/visit

1.6t

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

Evansville

KEVV

Total CO₂

1.6t

Total Visits

1

Avg CO₂/visit

1.6t

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

Asheville

KAVL

Total CO₂

0.6t

Total Visits

1

Avg CO₂/visit

0.6t

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

Bowling Green

KBWG

Total CO₂

0.6t

Total Visits

1

Avg CO₂/visit

0.6t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2
Top Routes by Emissions
St Petersburg-Clearwater Owensboro

KPIE to KOWB727 miles

Total Flights

1

Avg CO₂/Flight

2.4t

Total Emissions

2.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Saint Paul Evansville

KSTP to KEVV555 miles

Total Flights

1

Avg CO₂/Flight

1.6t

Total Emissions

1.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Asheville Bowling Green

KAVL to KBWG241 miles

Total Flights

1

Avg CO₂/Flight

0.6t

Total Emissions

0.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Macon Mc Minnville

KMAC to KRNC237 miles

Total Flights

1

Avg CO₂/Flight

0.6t

Total Emissions

0.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
St Petersburg-Clearwater St Augustine

KPIE to KSGJ163 miles

Total Flights

1

Avg CO₂/Flight

0.6t

Total Emissions

0.6t CO₂

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

KLEX to KOWB141 miles

Total Flights

1

Avg CO₂/Flight

0.6t

Total Emissions

0.6t CO₂

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