N345HG
Bombardier Challenger 300
Charter
United States
GYY (Gary/Chicago International Airport, Gary)

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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

10.3
Tons CO2 This Month
Below Average0.2× avg for Challenger 300
35.3
Tons CO2 YTD
Below Average0.3× avg for Challenger 300
154.8
CO2 Tons Since 2025
Below Average0.2× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical0.9× avg for Challenger 300
122.1 tons CO2 in selected period

2026 pace: On track for approximately 106t CO₂ by year end · ↓ 11% vs full year 2025 (119t)

Flight Patterns & Behaviour

Emissions up 256% vs prior period, driven by Santa Rosa → Frankfort

107t
Period total CO₂
4.3t
Avg per flight
25
Flights
Moderately Concentrated3 routes account for 46% of total emissions
Highest emission route
Santa Rosa → Frankfort
17.3t CO₂ total · 0.0052t 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
256%
30t → 107t CO₂
Intensity
4%
0.0057 → 0.0055 t CO₂/nm
New Routes
22
107t CO₂ combined
Dropped Routes
8
Prior period only
Avg per Flight
14%
3.7t → 4.3t
Flight Count
17
8 → 25 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

18t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New23 May – 29 May 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 4% of period emissions
Aircraft
Medium
New20 Jul – 26 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
Medium
New6 Sept – 12 Sept 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 4% of period emissions
Aircraft
Medium
Historical11 May – 27 May 2025
15-day inactive period
3.9t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical29 May – 22 Jul 2025
54-day inactive period
4.9t CO₂ in the 7 days following resumption
Recent Flights
Feb 26, 20261.0t CO₂
KDTWDetroit
KCADCadillac
176 miles32m
Feb 17, 20266.4t CO₂
KSDLScottsdale
KFKSFrankfort
1,563 miles2h 41m
Feb 12, 20264.7t CO₂
KBZNBozeman
KSDLScottsdale
840 miles2h 0m
Jan 31, 20262.9t CO₂
KEWRNewark
KGOVGrayling
602 miles1h 21m
View Details
Jan 3, 20261.0t CO₂
KGYYGary
KCADCadillac
209 miles31m
View Details
Jan 3, 20268.5t CO₂
MWCRGeorge Town
KGYYGary
1,582 miles3h 30m
View Details
Dec 27, 20251.0t CO₂
KGYYGary
KFKSFrankfort
216 miles14m
View Details
Dec 27, 20258.6t CO₂
MWCRGeorge Town
KGYYGary
1,582 miles3h 32m
View Details
Dec 11, 20253.3t CO₂
KTEBTeterboro
KGOVGrayling
601 miles1h 28m
View Details
Nov 19, 20251.0t CO₂
KYIPDetroit
KCADCadillac
170 miles27m
View Details
Nov 3, 20257.5t CO₂
KHNDLas Vegas
KFKSFrankfort
1,626 miles3h 6m
View Details
Oct 23, 20252.1t CO₂
KSLCSalt Lake City
KGWSGlenwood Springs
262 miles1h 1m
View Details
Oct 20, 20255.6t CO₂
KSLCSalt Lake City
KFKSFrankfort
1,329 miles2h 21m
View Details
Oct 17, 20258.9t CO₂
KSTSSanta Rosa
KFKSFrankfort
1,921 miles3h 39m
View Details
Oct 5, 20254.3t CO₂
KPEFColorado Springs
KTVCTraverse City
1,064 miles1h 52m
View Details
Oct 2, 20254.7t CO₂
KGYYGary
KPEFColorado Springs
932 miles2h 3m
View Details
Sep 28, 20252.7t CO₂
KBNANashville
KCADCadillac
567 miles1h 16m
View Details
Sep 12, 20253.8t CO₂
KIBMKimball
KFKSFrankfort
913 miles1h 41m
View Details
Sep 12, 20253.9t CO₂
KSATSan Antonio
KASEAspen
822 miles1h 44m
View Details
Aug 21, 20258.3t CO₂
KSTSSanta Rosa
KFKSFrankfort
1,921 miles3h 26m
View Details
Jul 26, 20254.0t CO₂
KOKCOklahoma City
KFKSFrankfort
876 miles1h 45m
View Details
Jul 22, 20251.0t CO₂
KOKCOklahoma City
KHUTHutchinson
185 miles33m
View Details
May 29, 20252.9t CO₂
KTVCTraverse City
KHPNWhite Plains
651 miles1h 20m
View Details
May 27, 20251.0t CO₂
KORDChicago
KMBLManistee
179 miles25m
View Details
May 11, 20257.6t CO₂
KHNDLas Vegas
KFKSFrankfort
1,626 miles3h 8m
View Details
Apr 26, 20252.5t CO₂
KLGBLong Beach
KSTSSanta Rosa
415 miles1h 11m
View Details
Apr 13, 20256.7t CO₂
KTUSTucson
KFKSFrankfort
1,584 miles2h 49m
View Details
Feb 11, 20251.0t CO₂
KGRRGrand Rapids
KCADCadillac
96 miles22m
View Details
Jan 25, 20252.2t CO₂
KDVTPhoenix
KASEAspen
479 miles1h 5m
View Details
Jan 23, 20252.0t CO₂
KSLCSalt Lake City
KDVTPhoenix
490 miles59m
View Details
Jan 21, 20257.4t CO₂
KTVCTraverse City
KSLCSalt Lake City
1,360 miles3h 4m
View Details
Jan 4, 20252.2t CO₂
KLEXLexington
KCADCadillac
433 miles1h 4m
View Details
Jan 4, 20255.8t CO₂
MMUNCancun
KLEXLexington
1,182 miles2h 28m
View Details
Top Airports by Emissions
Frankfort

Frankfort

KFKS

Total CO₂

53.1t

Total Visits

9

Avg CO₂/visit

5.9t

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

Gary

KGYY

Total CO₂

23.8t

Total Visits

5

Avg CO₂/visit

4.8t

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

Santa Rosa

KSTS

Total CO₂

17.3t

Total Visits

2

Avg CO₂/visit

8.6t

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

George Town

MWCR

Total CO₂

17.1t

Total Visits

2

Avg CO₂/visit

8.6t

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

Las Vegas

KHND

Total CO₂

15.1t

Total Visits

2

Avg CO₂/visit

7.5t

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

Scottsdale

KSDL

Total CO₂

11.1t

Total Visits

2

Avg CO₂/visit

5.5t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 5
Top Routes by Emissions
Santa Rosa Frankfort

KSTS to KFKS1,922 miles

Total Flights

2

Avg CO₂/Flight

8.6t

Total Emissions

17.3t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
George Town Gary

MWCR to KGYY1,583 miles

Total Flights

2

Avg CO₂/Flight

8.6t

Total Emissions

17.1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Las Vegas Frankfort

KHND to KFKS1,627 miles

Total Flights

2

Avg CO₂/Flight

7.5t

Total Emissions

15.1t CO₂

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

KSDL to KFKS1,564 miles

Total Flights

1

Avg CO₂/Flight

6.4t

Total Emissions

6.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Salt Lake City Frankfort

KSLC to KFKS1,330 miles

Total Flights

1

Avg CO₂/Flight

5.6t

Total Emissions

5.6t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Gary Colorado Springs

KGYY to KPEF933 miles

Total Flights

1

Avg CO₂/Flight

4.7t

Total Emissions

4.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4