N545XJ
•Bombardier Challenger 300
CharterUnited States
STL (Lambert-St. Louis International Airport, St Louis)
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Viewing period:
Compared to: preceding 12 months · Jul 2024 – Jul 2025Jul 2025 – Jun 2026·vs Jul 2024 – Jul 2025
Emissions Overview
31.6
Tons CO2 This Month
Above Average1.5× avg for Challenger 300
580.1
Tons CO2 YTD
Above Average2.9× avg for Challenger 300
1,881.7
CO2 Tons Since 2025
Above Average2.4× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical0.9× avg for Challenger 300
1,184.9 tons CO2 in selected period
2026 pace: On track for approximately 1,160t CO₂ by year end · ↓ 11% vs full year 2025 (1,302t)
Flight Patterns & Behaviour
Activity broadly consistent with prior period — averaging 1.0t CO₂/month
1.0t
CO₂/month
3.8t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Louisville → Marathon
4.5t CO₂ total · 0.0053t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·4.8× country averageAbove Average
Subject to FAA oversight — no mandatory carbon reporting for private aviation
What's ChangedCompared to prior equivalent period
Emissions
–
Prior data unavailable
Intensity
–
Prior data unavailable
New Routes
3
11t CO₂ combined
Dropped Routes
0
–
Avg per Flight
–
Prior data unavailable
Flight Count
–
Prior data unavailable
Route and airport counts may include data processing artefacts.
Activity Signals
Recent Flights