Airports / Half Moon Bay Airport
Half Moon Bay Airport(KHAF)
Half Moon Bay, United States
Last updated: Mar 25, 2026
Activity Summary
Airport Patterns
Emissions up 343% 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
29t
Signals Detected
5
Highest Severity
High
Elevated activity May 8, 2025 – May 14, 2025 — 4 flights in 7 days vs baseline of 1
4 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 245%.
2.6t CO₂
Elevated activity May 31, 2025 – Jun 6, 2025 — 4 flights in 7 days vs baseline of 1
4 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 245%.
3.3t CO₂
Elevated activity May 24, 2025 – May 30, 2025 — 3 flights in 7 days vs baseline of 1
3 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 159%.
5.3t CO₂
Single high-emission departure N600FX → Unknown on Jun 7, 2025 — 12.7t CO₂, 100% of day's total
Aircraft N600FX departing to Unknown produced 12.7t CO₂, representing 100% of all airport emissions on Jun 7, 2025.
12.7t CO₂
18-day gap in recorded activity ending May 28, 2025
Airport had 18 consecutive days with zero recorded flights before activity resumed on May 28, 2025.
5.0t CO₂
Route Map
KHAF to KLAS · 418 miles
Total Flights
4
Avg CO₂/Flight
3.6t
Total Emissions
14.5t CO₂
KHAF to KVNY · 320 miles
Total Flights
8
Avg CO₂/Flight
1.1t
Total Emissions
8.9t CO₂
KHAF to KPHX · 654 miles
Total Flights
2
Avg CO₂/Flight
3.8t
Total Emissions
7.7t CO₂
KHAF to KHOU · 1,651 miles
Total Flights
1
Avg CO₂/Flight
5.0t
Total Emissions
5.0t CO₂
KHAF to KLGB · 353 miles
Total Flights
2
Avg CO₂/Flight
1.4t
Total Emissions
2.8t CO₂
KHAF to KCRQ · 422 miles
Total Flights
2
Avg CO₂/Flight
1.3t
Total Emissions
2.7t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period