Airports / Lake Hood Seaplane Base
Lake Hood Seaplane Base(PALH)
Anchorage, United States
Last updated: Mar 24, 2026
Activity Summary
Airport Patterns
Emissions up 8799% vs prior period — significantly busier than prior period
Charter/owner classification not available for this airport's flights
Spikes
Significant deviations from this airport's baseline in the selected period.
CO₂ Above Baseline
374t
Signals Detected
5
Highest Severity
High
Elevated activity May 21, 2025 – May 27, 2025 — 15 flights in 7 days vs baseline of 5
15 flights recorded in a 7-day window, exceeding the airport baseline of 5 flights per week by 206%.
167.9t CO₂
Elevated activity May 14, 2025 – May 20, 2025 — 10 flights in 7 days vs baseline of 5
10 flights recorded in a 7-day window, exceeding the airport baseline of 5 flights per week by 104%.
93.6t CO₂
Elevated activity May 28, 2025 – Jun 3, 2025 — 10 flights in 7 days vs baseline of 5
10 flights recorded in a 7-day window, exceeding the airport baseline of 5 flights per week by 104%.
64.6t CO₂
Single high-emission departure N1876P → RCPO on Aug 10, 2025 — 47.3t CO₂, 81% of day's total
Aircraft N1876P departing to RCPO produced 47.3t CO₂, representing 81% of all airport emissions on Aug 10, 2025.
47.3t CO₂
22-day gap in recorded activity ending Sep 26, 2025
Airport had 22 consecutive days with zero recorded flights before activity resumed on Sep 26, 2025.
0.6t CO₂
Route Map
PALH to KBFI · 1,440 miles
Total Flights
18
Avg CO₂/Flight
5.7t
Total Emissions
103.2t CO₂
PALH to RCPO · 4,697 miles
Total Flights
3
Avg CO₂/Flight
30.1t
Total Emissions
90.3t CO₂
PALH to VHHH · 5,073 miles
Total Flights
3
Avg CO₂/Flight
29.2t
Total Emissions
87.5t CO₂
PALH to KTEB · 3,355 miles
Total Flights
3
Avg CO₂/Flight
24.8t
Total Emissions
74.5t CO₂
PALH to PANC · 1 miles
Total Flights
23
Avg CO₂/Flight
2.5t
Total Emissions
56.8t CO₂
PALH to KTKI · 3,035 miles
Total Flights
3
Avg CO₂/Flight
16.5t
Total Emissions
49.4t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period