Airports / Calaveras County Airport-Maury Rasmussen Field
Calaveras County Airport-Maury Rasmussen Field(KCPU)
United States
Last updated: Mar 27, 2026
Activity Summary
Airport Patterns
Emissions up 444% 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
27t
Signals Detected
5
Highest Severity
High
Elevated activity May 2, 2025 – May 8, 2025 — 7 flights in 7 days vs baseline of 2
7 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 238%.
6.6t CO₂
Elevated activity Jun 7, 2025 – Jun 13, 2025 — 7 flights in 7 days vs baseline of 2
7 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 238%.
6.0t CO₂
Elevated activity May 14, 2025 – May 20, 2025 — 6 flights in 7 days vs baseline of 2
6 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 190%.
2.2t CO₂
Single high-emission departure N503FX → KSAN on Jul 10, 2025 — 11.5t CO₂, 100% of day's total
Aircraft N503FX departing to KSAN produced 11.5t CO₂, representing 100% of all airport emissions on Jul 10, 2025.
11.5t CO₂
16-day gap in recorded activity ending May 3, 2025
Airport had 16 consecutive days with zero recorded flights before activity resumed on May 3, 2025.
0.3t CO₂
Route Map
KCPU to KSAN · 421 miles
Total Flights
2
Avg CO₂/Flight
6.7t
Total Emissions
13.3t CO₂
KCPU to KOAK · 90 miles
Total Flights
15
Avg CO₂/Flight
0.6t
Total Emissions
9.5t CO₂
KCPU to KSNA · 346 miles
Total Flights
3
Avg CO₂/Flight
1.7t
Total Emissions
5.1t CO₂
KCPU to KSEA · 648 miles
Total Flights
1
Avg CO₂/Flight
3.0t
Total Emissions
3.0t CO₂
KCPU to KCNO · 334 miles
Total Flights
2
Avg CO₂/Flight
1.1t
Total Emissions
2.2t CO₂
KCPU to KRNO · 105 miles
Total Flights
3
Avg CO₂/Flight
0.7t
Total Emissions
2.1t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period