N623NE
Cessna Citation CJ4
Charter
United States
PWK (Chicago Executive Airport, Chicago/Prospect Heights/Wheeling)

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Viewing period:
Compared to: preceding 12 months · Jul 2024 – Jul 2025
Jul 2025 – Jun 2026·vs Jul 2024 – Jul 2025

Emissions Overview

34.0
Tons CO2 This Month
Above Average5.2× avg for Citation CJ4
425.7
Tons CO2 YTD
Above Average10.3× avg for Citation CJ4
1,039.1
CO2 Tons Since 2025
Above Average7.3× avg for Citation CJ4
Emissions Intensity0.00t CO₂/nmTypical0.9× avg for Citation CJ4
802.0 tons CO2 in selected period

2026 pace: On track for approximately 851t CO₂ by year end · ↑ 39% vs full year 2025 (613t)

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
Ft Lauderdale → Chicago/Prospect Heights/Wheeling
5.2t CO₂ total · 0.0050t 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
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
May 9, 20261.6t CO₂
KPWKChicago/Prospect Heights/Wheeling
KJYOLeesburg
581 miles1h 13m
May 9, 20265.2t CO₂
KFLLFt Lauderdale
KPWKChicago/Prospect Heights/Wheeling
1,193 miles3h 22m
May 8, 20264.5t CO₂
KVLDValdosta
KFLLFt Lauderdale
377 miles2h 56m

Top Airports by Emissions

Top Routes by Emissions