N3AS
•Bombardier Challenger 300
United States
PDX (Portland International Airport, Portland)
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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025May 2025 – Apr 2026·vs May 2024 – May 2025
Emissions Overview
22.0
Tons CO2 This Month
Below Average0.5× avg for Challenger 300
51.7
Tons CO2 YTD
Below Average0.4× avg for Challenger 300
487.0
CO2 Tons Since 2025
Below Average0.7× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical1.3× avg for Challenger 300
355.3 tons CO2 in selected period
2026 pace: On track for approximately 155t CO₂ by year end · ↓ 64% vs full year 2025 (435t)
Flight Patterns & Behaviour
Activity broadly consistent with prior period — averaging 1.4t CO₂/month
1.4t
CO₂/month
5.1t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Scottsdale → Portland
5.9t CO₂ total · 0.0068t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·1.3× country averageTypical
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
15t 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