Airports / Marshalltown Municipal Airport
Marshalltown Municipal Airport(KMIW)
Marshalltown, United States
Last updated: Mar 16, 2026
Activity Summary
Airport Patterns
Emissions up 153% 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
32t
Signals Detected
5
Highest Severity
High
Elevated activity Jun 19, 2025 – Jun 25, 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 137%.
2.6t CO₂
Elevated activity Jul 12, 2025 – Jul 18, 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 137%.
2.5t CO₂
Elevated activity Aug 26, 2025 – Sep 1, 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 137%.
17.7t CO₂
Single high-emission departure N701CR → KVNY on Sep 1, 2025 — 8.2t CO₂, 76% of day's total
Aircraft N701CR departing to KVNY produced 8.2t CO₂, representing 76% of all airport emissions on Sep 1, 2025.
8.2t CO₂
15-day gap in recorded activity ending Jul 10, 2025
Airport had 15 consecutive days with zero recorded flights before activity resumed on Jul 10, 2025.
0.5t CO₂
Route Map
KMIW to KVNY · 1,486 miles
Total Flights
2
Avg CO₂/Flight
7.6t
Total Emissions
15.3t CO₂
KMIW to KSDL · 1,187 miles
Total Flights
2
Avg CO₂/Flight
5.7t
Total Emissions
11.5t CO₂
KMIW to KTEB · 978 miles
Total Flights
2
Avg CO₂/Flight
4.6t
Total Emissions
9.1t CO₂
KMIW to KSFO · 1,585 miles
Total Flights
1
Avg CO₂/Flight
7.6t
Total Emissions
7.6t CO₂
KMIW to KSMF · 1,520 miles
Total Flights
1
Avg CO₂/Flight
6.9t
Total Emissions
6.9t CO₂
KMIW to KJWN · 522 miles
Total Flights
1
Avg CO₂/Flight
5.9t
Total Emissions
5.9t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period