Airports / Saint Louis Regional Airport
Saint Louis Regional Airport(KALN)
Alton/St Louis, United States
Last updated: Mar 30, 2026
Activity Summary
Airport Patterns
Emissions up 280% 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
183t
Signals Detected
4
Highest Severity
High
Elevated activity Sep 2, 2025 – Sep 8, 2025 — 24 flights in 7 days vs baseline of 11
24 flights recorded in a 7-day window, exceeding the airport baseline of 11 flights per week by 111%.
57.3t CO₂
Elevated activity Nov 8, 2025 – Nov 14, 2025 — 24 flights in 7 days vs baseline of 11
24 flights recorded in a 7-day window, exceeding the airport baseline of 11 flights per week by 111%.
51.3t CO₂
Elevated activity Nov 17, 2025 – Nov 23, 2025 — 25 flights in 7 days vs baseline of 11
25 flights recorded in a 7-day window, exceeding the airport baseline of 11 flights per week by 119%.
48.4t CO₂
Single high-emission departure PR-ADB → KALN on Oct 5, 2025 — 26.4t CO₂, 82% of day's total
Aircraft PR-ADB departing to KALN produced 26.4t CO₂, representing 82% of all airport emissions on Oct 5, 2025.
26.4t CO₂
Route Map
KALN to KHND · 1,387 miles
Total Flights
2
Avg CO₂/Flight
7.8t
Total Emissions
15.6t CO₂
KALN to KSNA · 1,583 miles
Total Flights
1
Avg CO₂/Flight
14.5t
Total Emissions
14.5t CO₂
KALN to KADS · 558 miles
Total Flights
5
Avg CO₂/Flight
2.9t
Total Emissions
14.4t CO₂
KALN to KBCT · 1,038 miles
Total Flights
2
Avg CO₂/Flight
6.9t
Total Emissions
13.7t CO₂
KALN to KAUS · 740 miles
Total Flights
4
Avg CO₂/Flight
3.3t
Total Emissions
13.1t CO₂
KALN to KSUS · 36 miles
Total Flights
12
Avg CO₂/Flight
1.0t
Total Emissions
11.9t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period