CarbonSkyIndex
RDU
PSM

Raleigh/Durham → Portsmouth

5h 15m avg · 654 miles · 568nm · Recently active route — first recorded March 2026

24.4t CO₂ · Last 30 DaysTypical

Last updated April 1st 2026 at 1:03 PM UTC

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Viewing period:
Compared to: preceding 30 days · 31 Jan 2026 – 2 Mar 2026
2 Mar 2026 – 1 Apr 2026·vs 31 Jan 2026 – 2 Mar 2026
Route Impact Summary
Total CO₂
24.4tons
Flights
1flights
Avg CO₂/Flight
22.2tons
CO₂/nm
0.0391t CO₂/nm
Fuel Burned
2Kgallons
24.4 tons CO₂ in selected period
Emissions spike detected
Emissions 82% above route average on 28 Mar

Route Patterns

Bombardier Challenger 600 dominates this route — 91% of all emissions in the selected period

24.4t
Total CO₂
12.2t
Avg CO₂/flight
2
Flights
Operator Profile
Charter
100%2 flights24.4t
Owner
0%0 flights0.0t
Top Aircraft Models
Bombardier Challenger 60022.2t CO₂
1 flight · avg 22.2t/flight · 91%
Embraer Phenom 3002.2t CO₂
1 flight · avg 2.2t/flight · 9%
📍International route·medium-haul route · 568nm

Spikes

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

CO₂ Above Baseline

44t

Signals Detected

2

Highest Severity

High

Emissions
High
New28 Mar 2026
Emissions spike on 28 Mar 2026 — 22.2t CO₂ vs route daily average of 0.4t (5909% above)
22.2t CO₂ on 28 Mar 2026 — 5909% above route average
Emissions
High
New28 Mar 2026
Single flight N263QS on 28 Mar 2026 — 22.2t CO₂, 91% of period total
Single flight: 22.2t CO₂ — 91% of period emissions

Aircraft Flying This Route

Aircraft Flying This Route
N263QSCharter·Bombardier Challenger 600
22.2t CO₂ · avg 22.2t/flight · Last seen 28 Mar 2026
N302QSCharter·Embraer Phenom 300
2.2t CO₂ · avg 2.2t/flight · Last seen 21 Mar 2026

All Recorded Flights on This Route

2 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 28, 2026N263QSBombardier Challenger 600·22.2t CO₂8h 52m→
Mar 21, 2026N302QSEmbraer Phenom 300·2.2t CO₂1h 39m→