Airports / H.A. Clark Memorial Field
H.A. Clark Memorial Field(KCMR)
Williams, United States
Last updated: Mar 28, 2026
Activity Summary
Airport Patterns
Emissions up 87% 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
72t
Signals Detected
5
Highest Severity
High
Elevated activity Apr 13, 2025 – Apr 19, 2025 — 5 flights in 7 days vs baseline of 2
5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 108%.
23.6t CO₂
Elevated activity Apr 24, 2025 – Apr 30, 2025 — 5 flights in 7 days vs baseline of 2
5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 108%.
19.0t CO₂
Elevated activity Oct 27, 2025 – Nov 2, 2025 — 5 flights in 7 days vs baseline of 2
5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 108%.
13.8t CO₂
Single high-emission departure N121JE → KMQS on Apr 15, 2025 — 13.4t CO₂, 100% of day's total
Aircraft N121JE departing to KMQS produced 13.4t CO₂, representing 100% of all airport emissions on Apr 15, 2025.
13.4t CO₂
15-day gap in recorded activity ending Jul 12, 2025
Airport had 15 consecutive days with zero recorded flights before activity resumed on Jul 12, 2025.
2.0t CO₂
Route Map
KCMR to KMQS · 2,000 miles
Total Flights
1
Avg CO₂/Flight
13.4t
Total Emissions
13.4t CO₂
KCMR to KPWK · 1,386 miles
Total Flights
2
Avg CO₂/Flight
5.9t
Total Emissions
11.8t CO₂
KCMR to KBFI · 992 miles
Total Flights
2
Avg CO₂/Flight
5.0t
Total Emissions
10.1t CO₂
KCMR to KSTL · 1,224 miles
Total Flights
2
Avg CO₂/Flight
4.9t
Total Emissions
9.8t CO₂
KCMR to KLAS · 175 miles
Total Flights
10
Avg CO₂/Flight
1.0t
Total Emissions
9.6t CO₂
KCMR to KMCO · 1,865 miles
Total Flights
1
Avg CO₂/Flight
9.1t
Total Emissions
9.1t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period