N22UB
Cessna Citation CJ4
United States
ACH (St. Gallen-Altenrhein Airport, St Gallen)

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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 Overview

18.6
Tons CO2 This Month
Above Average2.0× avg for Citation CJ4
51.7
Tons CO2 YTD
Above Average2.0× avg for Citation CJ4
270.1
CO2 Tons Since 2025
Above Average2.1× avg for Citation CJ4
Emissions Intensity0.01t CO₂/nmTypical1.5× avg for Citation CJ4
211.3 tons CO2 in selected period

2026 pace: On track for approximately 155t CO₂ by year end · ↓ 29% vs full year 2025 (218t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 0.4t CO₂/month

0.4t
CO₂/month
1.6t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
St Gallen → Staverton
2.2t CO₂ total · 0.0042t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.7× country averageBelow 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
5t 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
Mar 30, 20260.5t CO₂
LSZRSt Gallen
LSZHZurich
47 miles16m
Mar 30, 20262.0t CO₂
EGBJStaverton
LSZRSt Gallen
605 miles1h 27m
Mar 21, 20262.2t CO₂
LSZRSt Gallen
EGBJStaverton
605 miles1h 34m

Top Airports by Emissions

Top Routes by Emissions