Airports / Illinois Valley Regional Airport-Walter A Duncan Field
Illinois Valley Regional Airport-Walter A Duncan Field(KVYS)
Peru, United States
Last updated: Mar 23, 2026
Activity Summary
Airport Patterns
Emissions up 292% 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
56t
Signals Detected
5
Highest Severity
High
Elevated activity May 25, 2025 – May 31, 2025 — 6 flights in 7 days vs baseline of 3
6 flights recorded in a 7-day window, exceeding the airport baseline of 3 flights per week by 112%.
4.6t CO₂
Elevated activity Jul 22, 2025 – Jul 28, 2025 — 6 flights in 7 days vs baseline of 3
6 flights recorded in a 7-day window, exceeding the airport baseline of 3 flights per week by 112%.
10.7t CO₂
Elevated activity Aug 1, 2025 – Aug 7, 2025 — 7 flights in 7 days vs baseline of 3
7 flights recorded in a 7-day window, exceeding the airport baseline of 3 flights per week by 148%.
17.2t CO₂
Single high-emission departure N91JS → KVNY on Feb 12, 2026 — 17.9t CO₂, 100% of day's total
Aircraft N91JS departing to KVNY produced 17.9t CO₂, representing 100% of all airport emissions on Feb 12, 2026.
17.9t CO₂
15-day gap in recorded activity ending Jun 28, 2025
Airport had 15 consecutive days with zero recorded flights before activity resumed on Jun 28, 2025.
5.8t CO₂
Route Map
KVYS to KVNY · 1,667 miles
Total Flights
2
Avg CO₂/Flight
13.2t
Total Emissions
26.4t CO₂
KVYS to KSJC · 1,762 miles
Total Flights
1
Avg CO₂/Flight
16.1t
Total Emissions
16.1t CO₂
KVYS to KTEB · 785 miles
Total Flights
3
Avg CO₂/Flight
5.3t
Total Emissions
15.8t CO₂
KVYS to KFXE · 1,166 miles
Total Flights
1
Avg CO₂/Flight
14.8t
Total Emissions
14.8t CO₂
KVYS to KIDA · 1,175 miles
Total Flights
2
Avg CO₂/Flight
6.7t
Total Emissions
13.4t CO₂
KVYS to KSLC · 1,187 miles
Total Flights
2
Avg CO₂/Flight
6.1t
Total Emissions
12.3t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period