N978SH
•Bombardier Challenger 300
CharterUnited States
SJC (Norman Y. Mineta San Jose International Airport, San Jose)
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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
36.8
Tons CO2 This Month
Typical0.8× avg for Challenger 300
139.9
Tons CO2 YTD
Typical1.0× avg for Challenger 300
945.5
CO2 Tons Since 2025
Typical1.3× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical0.9× avg for Challenger 300
627.1 tons CO2 in selected period
2026 pace: On track for approximately 420t CO₂ by year end · ↓ 48% vs full year 2025 (806t)
Flight Patterns & Behaviour
Highly concentrated — Hayward → Teterboro accounts for 82% of emissions
12t
Top route CO₂
3
Distinct routes
3
Flights
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Hayward → Teterboro
11.8t CO₂ total · 0.0053t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·2.6× 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
14t 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