Airports / Southern Illinois Airport
Southern Illinois Airport(KMDH)
Murphysboro, United States
Last updated: Mar 27, 2026
Activity Summary
Airport Patterns
Emissions up 1684% 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
24t
Signals Detected
5
Highest Severity
High
Elevated activity Apr 25, 2025 – May 1, 2025 — 4 flights in 7 days vs baseline of 2
4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 138%.
5.2t CO₂
Elevated activity Jun 6, 2025 – Jun 12, 2025 — 4 flights in 7 days vs baseline of 2
4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 138%.
8.0t CO₂
Elevated activity Aug 22, 2025 – Aug 28, 2025 — 4 flights in 7 days vs baseline of 2
4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 138%.
0.6t CO₂
Single high-emission departure N423FX → KMDH on Jul 13, 2025 — 7.9t CO₂, 100% of day's total
Aircraft N423FX departing to KMDH produced 7.9t CO₂, representing 100% of all airport emissions on Jul 13, 2025.
7.9t CO₂
15-day gap in recorded activity ending Sep 20, 2025
Airport had 15 consecutive days with zero recorded flights before activity resumed on Sep 20, 2025.
2.1t CO₂
Route Map
KMDH to KRNO · 1,644 miles
Total Flights
1
Avg CO₂/Flight
7.2t
Total Emissions
7.2t CO₂
KMDH to KLAS · 1,430 miles
Total Flights
1
Avg CO₂/Flight
7.0t
Total Emissions
7.0t CO₂
KMDH to KDUB · 1,139 miles
Total Flights
1
Avg CO₂/Flight
6.2t
Total Emissions
6.2t CO₂
KMDH to KHEF · 640 miles
Total Flights
2
Avg CO₂/Flight
2.2t
Total Emissions
4.4t CO₂
KMDH to KTEB · 838 miles
Total Flights
1
Avg CO₂/Flight
3.7t
Total Emissions
3.7t CO₂
KMDH to KHPN · 859 miles
Total Flights
1
Avg CO₂/Flight
2.6t
Total Emissions
2.6t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period