CarbonSkyIndex
SAN
SJC

San Diego → San Jose

1h 2m avg · 417 miles · 362nm · Recently active route — first recorded March 2026

156.2t CO₂ · Last 30 DaysTypical

Last updated March 31st 2026 at 9:35 AM UTC

Pro
Soon
Viewing period:
Compared to: preceding 30 days · 30 Jan 2026 – 1 Mar 2026
1 Mar 2026 – 31 Mar 2026·vs 30 Jan 2026 – 1 Mar 2026
Route Impact Summary
Total CO₂
156.2tons
Flights
38flights
Avg CO₂/Flight
1.9tons
CO₂/nm
0.0052t CO₂/nm
Fuel Burned
9Kgallons
156.4 tons CO₂ in selected period
Emissions spike detected
Emissions 110% above route average on 16 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 2.1t CO₂ per flight

156.2t
Total CO₂
2.1t
Avg CO₂/flight
76
Flights
Operator Profile
Charter
56%10 flights17.0t
Owner
44%8 flights19.7t

Mixed charter and owner-operated activity

Charter/owner data available for 24% of flights (58 unclassified)

Top Aircraft Models
Embraer Phenom 30027.6t CO₂
21 flights · avg 1.3t/flight · 18%
Cessna Citation Latitude21.7t CO₂
12 flights · avg 1.8t/flight · 14%
Bombardier Challenger 30021.5t CO₂
10 flights · avg 2.1t/flight · 14%
Cessna Citation Longitude18.4t CO₂
9 flights · avg 2.0t/flight · 12%
Gulfstream GV13.8t CO₂
4 flights · avg 3.5t/flight · 9%
📍International route·short-haul route · 362nm

Spikes

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

CO₂ Above Baseline

9t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New16 Mar 2026
Emissions spike on 16 Mar 2026 — 13.7t CO₂ vs route daily average of 5.1t (169% above)
13.7t CO₂ on 16 Mar 2026 — 169% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N16MF·Gulfstream GV
13.8t CO₂ · avg 3.5t/flight · Last seen 10 Mar 2026
N805QSCharter·Cessna Citation Longitude
6.2t CO₂ · avg 2.1t/flight · Last seen 9 Mar 2026
N6DY·Embraer Phenom 300
5.9t CO₂ · avg 1.5t/flight · Last seen 30 Mar 2026
N662QSCharter·Cessna Citation Latitude
5.6t CO₂ · avg 1.9t/flight · Last seen 19 Mar 2026
N297TXCharter·Embraer Phenom 300
5.1t CO₂ · avg 1.3t/flight · Last seen 13 Mar 2026

Recent Flights

76 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 30, 2026N757RRGulfstream G650·3.9t CO₂Above avg1h 0m→
Mar 30, 2026N6DYEmbraer Phenom 300·1.6t CO₂Below avg1h 13m→
Mar 30, 2026N152QSBombardier Global 6000/6500·3.7t CO₂Above avg59m→
Mar 30, 2026N707JSCessna Citation CJ3·1.8t CO₂Typical1h 21m→
Mar 30, 2026N795QSBombardier Challenger 300·2.1t CO₂Typical1h 0m→
Mar 29, 2026N411AJBombardier Learjet 45·0.6t CO₂Below avg35m→
Mar 29, 2026N130QSBombardier Global 5000·3.6t CO₂Above avg58m→
Mar 29, 2026N893QSCessna Citation Longitude·2.0t CO₂Typical57m→
Mar 29, 2026N492QSEmbraer Phenom 300·1.3t CO₂Below avg1h 5m→
Mar 28, 2026N702LKBombardier Global 5000/5500·5.6t CO₂Above avg1h 26m→
Showing 10 of 76 flights