CarbonSkyIndex
BFI
YKM

Seattle → Yakima

0h 28m avg · 107 miles · 93nm · Recently active route — first recorded March 2026

7.8t 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
7.8tons
Flights
6flights
Avg CO₂/Flight
0.7tons
CO₂/nm
0.0075t CO₂/nm
Fuel Burned
461gallons
7.8 tons CO₂ in selected period
Emissions spike detected
Emissions 136% above route average on 10 Mar

Route Patterns

Route activity broadly consistent with prior period — averaging 0.7t CO₂ per flight

7.8t
Total CO₂
0.7t
Avg CO₂/flight
11
Flights
Operator Profile
Charter
50%3 flights2.5t
Owner
50%3 flights1.7t

Mixed charter and owner-operated activity

Charter/owner data available for 55% of flights (5 unclassified)

Top Aircraft Models
Bombardier Challenger 3001.9t CO₂
2 flights · avg 1.0t/flight · 25%
Embraer Phenom 3001.1t CO₂
2 flights · avg 0.6t/flight · 15%
Beechcraft Premier I1.1t CO₂
2 flights · avg 0.5t/flight · 14%
Cessna Citation Longitude1.0t CO₂
1 flight · avg 1.0t/flight · 13%
Cessna Citation Latitude0.9t CO₂
1 flight · avg 0.9t/flight · 11%
📍International route·short-haul route · 93nm

Spikes

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

CO₂ Above Baseline

1t

Signals Detected

1

Highest Severity

Medium

Emissions
Medium
New8 Mar 2026
Emissions spike on 8 Mar 2026 — 1.0t CO₂ vs route daily average of 0.4t (168% above)
1.0t CO₂ on 8 Mar 2026 — 168% above route average

Aircraft Flying This Route

Aircraft Flying This Route
N508RN·Beechcraft Premier I
1.1t CO₂ · avg 0.5t/flight · Last seen 10 Mar 2026
N576FXCharter·Bombardier Challenger 300
1.0t CO₂ · avg 1.0t/flight · Last seen 8 Mar 2026
N840QSCharter·Cessna Citation Longitude
1.0t CO₂ · avg 1.0t/flight · Last seen 12 Mar 2026
N29QC·Cessna Citation V Ultra
0.7t CO₂ · avg 0.7t/flight · Last seen 10 Mar 2026
N488QSCharter·Embraer Phenom 300
0.6t CO₂ · avg 0.6t/flight · Last seen 10 Mar 2026

All Recorded Flights on This Route

11 total flights recorded

Showing most recent flights — not filtered by viewing period

Mar 28, 2026N747JJCessna Citation CJ2·0.5t CO₂Below avg29m→
Mar 26, 2026N318QSEmbraer Phenom 300·0.6t CO₂Typical23m→
Mar 25, 2026N767QSBombardier Challenger 300·1.0t CO₂Above avg32m→
Mar 22, 2026N23JNCessna Citation CJ4·0.5t CO₂Below avg27m→
Mar 17, 2026N563QSCessna Citation Latitude·0.9t CO₂Above avg23m→
Mar 12, 2026N840QSCessna Citation Longitude·1.0t CO₂Above avg26m→
Mar 10, 2026N508RNBeechcraft Premier I·0.5t CO₂Below avg22m→
Mar 10, 2026N508RNBeechcraft Premier I·0.5t CO₂Below avg29m→
Mar 10, 2026N488QSEmbraer Phenom 300·0.6t CO₂Typical32m→
Mar 10, 2026N29QCCessna Citation V Ultra·0.7t CO₂Typical37m→
Showing 10 of 11 flights