N491JL
Cessna Citation XLS
United States
KUAO (Aurora State Airport, Aurora)

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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 increasing vs prior period

Emissions Overview

1.8
Tons CO2 This Month
Below Average0.1× avg for Citation XLS
11.8
Tons CO2 YTD
Below Average0.2× avg for Citation XLS
160.7
CO2 Tons Since 2025
Below Average0.5× avg for Citation XLS
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Citation XLS
119.1 tons CO2 in selected period

2026 pace: On track for approximately 35t CO₂ by year end · ↓ 76% vs full year 2025 (149t)

Flight Patterns & Behaviour

Emissions up 202% vs prior period, driven by Calgary → Keflavik

110t
Period total CO₂
6.1t
Avg per flight
18
Flights
Moderately Concentrated3 routes account for 53% of total emissions
Highest emission route
Calgary → Keflavik
45.3t CO₂ total · 0.0163t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.4× country averageBelow Average

Subject to FAA oversight — no mandatory carbon reporting for private aviation

What's ChangedCompared to prior equivalent period
Emissions
202%
37t → 110t CO₂
Intensity
40%
0.0048 → 0.0067 t CO₂/nm
New Routes
17
109t CO₂ combined
Dropped Routes
7
Prior period only
Avg per Flight
85%
3.3t → 6.1t
Flight Count
7
11 → 18 flights

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

146t

Signals Detected

5

Highest Severity

High

Emissions
High
New2 Sept 2025 · Calgary → Keflavik
Highest single-flight emission event (Calgary → Keflavik)
Single flight: 45.3t CO₂ — 41% of period emissions
Aircraft
Medium
New13 May – 5 Jun 2025
Elevated activity period · 2 flights in 23 days vs baseline of 2
Contributed approximately 9t CO₂ to period total — 8% of period emissions
Aircraft
Medium
New24 Jul – 30 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
High
New26 Aug – 26 Oct 2025
Elevated activity period · 12 flights in 61 days vs baseline of 4
Contributed approximately 88t CO₂ to period total — 80% of period emissions
Aircraft
Medium
Historical16 May – 5 Jun 2025
20-day inactive period
3.1t CO₂ in the 7 days following resumption
Recent Flights
Feb 1, 20263.1t CO₂
KGRBGreen Bay
KHPNWhite Plains
767 miles1h 50m
Feb 1, 20266.2t CO₂
KUAOAurora
KGRBGreen Bay
1,683 miles3h 21m
Oct 26, 20250.6t CO₂
KPDXPortland
KUAOAurora
25 miles12m
Oct 15, 20254.8t CO₂
KATYWatertown
KPDXPortland
1,232 miles2h 39m
View Details
Oct 15, 20254.7t CO₂
KLBELatrobe
KATYWatertown
955 miles2h 35m
View Details
Oct 12, 20251.9t CO₂
KRACRacine
KLBELatrobe
467 miles1h 15m
View Details
Oct 12, 20256.5t CO₂
KPDXPortland
KENWKenosha
1,718 miles3h 29m
View Details
Oct 2, 20255.8t CO₂
KPDXPortland
KSAWGwinn
1,676 miles3h 9m
View Details
Sep 22, 20256.6t CO₂
KPDXPortland
KMSNMadison
1,638 miles3h 33m
View Details
Sep 15, 20255.1t CO₂
CYAGFort Frances
KPDXPortland
1,377 miles2h 47m
View Details
Sep 14, 20251.3t CO₂
EGPHEdinburgh
NaN miles55m
View Details
Sep 2, 20253.3t CO₂
BIKFKeflavik
EGPHEdinburgh
860 miles1h 56m
View Details
Sep 2, 202545.3t CO₂
CYYCCalgary
BIKFKeflavik
3,186 miles22h 25m
View Details
Sep 1, 20252.2t CO₂
KPDXPortland
CYYCCalgary
548 miles1h 23m
View Details
Jul 30, 20250.6t CO₂
KUAOAurora
KPDXPortland
25 miles11m
View Details
Jun 5, 20253.1t CO₂
KUAOAurora
KCMACamarillo
786 miles1h 50m
View Details
May 16, 20255.1t CO₂
KPEFColorado Springs
KUAOAurora
1,023 miles2h 46m
View Details
May 13, 20254.3t CO₂
KUAOAurora
KCOSColorado Springs
1,025 miles2h 25m
View Details
Apr 21, 20252.4t CO₂
KSJCSan Jose
KUAOAurora
546 miles1h 28m
View Details
Apr 21, 20252.3t CO₂
KUAOAurora
KSJCSan Jose
546 miles1h 24m
View Details
Apr 20, 20252.4t CO₂
KSJCSan Jose
KUAOAurora
546 miles1h 28m
View Details
Apr 19, 20252.2t CO₂
KUAOAurora
KSJCSan Jose
546 miles1h 23m
View Details
Mar 30, 20252.1t CO₂
KSJCSan Jose
KUAOAurora
546 miles1h 20m
View Details
Mar 30, 20253.7t CO₂
KTUSTucson
KSJCSan Jose
720 miles2h 6m
View Details
Mar 26, 20252.7t CO₂
KSJCSan Jose
KTUSTucson
720 miles1h 38m
View Details
Mar 26, 20252.7t CO₂
KUAOAurora
KSJCSan Jose
546 miles1h 38m
View Details
Jan 9, 20256.1t CO₂
KSLNSalina
KUAOAurora
1,357 miles3h 18m
View Details
Jan 5, 20253.5t CO₂
KAUSAustin
KSAVSavannah
981 miles2h 2m
View Details
Jan 5, 20256.4t CO₂
KUAOAurora
KAUSAustin
1,708 miles3h 27m
View Details
Top Airports by Emissions
Keflavik

Keflavik

BIKF

Total CO₂

48.6t

Total Visits

2

Avg CO₂/visit

24.3t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Calgary

Calgary

CYYC

Total CO₂

47.5t

Total Visits

2

Avg CO₂/visit

23.7t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Portland

Portland

KPDX

Total CO₂

32.2t

Total Visits

8

Avg CO₂/visit

4.0t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Aurora

Aurora

KUAO

Total CO₂

19.8t

Total Visits

6

Avg CO₂/visit

3.3t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Watertown

Watertown

KATY

Total CO₂

9.5t

Total Visits

2

Avg CO₂/visit

4.7t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Green Bay

Green Bay

KGRB

Total CO₂

9.3t

Total Visits

2

Avg CO₂/visit

4.7t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3
Top Routes by Emissions
Calgary Keflavik

CYYC to BIKF3,188 miles

Total Flights

1

Avg CO₂/Flight

45.3t

Total Emissions

45.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Portland Madison

KPDX to KMSN1,639 miles

Total Flights

1

Avg CO₂/Flight

6.6t

Total Emissions

6.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Portland Kenosha

KPDX to KENW1,719 miles

Total Flights

1

Avg CO₂/Flight

6.5t

Total Emissions

6.5t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Aurora Green Bay

KUAO to KGRB1,684 miles

Total Flights

1

Avg CO₂/Flight

6.2t

Total Emissions

6.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Portland Gwinn

KPDX to KSAW1,677 miles

Total Flights

1

Avg CO₂/Flight

5.8t

Total Emissions

5.8t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Fort Frances Portland

CYAG to KPDX1,378 miles

Total Flights

1

Avg CO₂/Flight

5.1t

Total Emissions

5.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3