Airports / Greater Portsmouth Regional Airport
Greater Portsmouth Regional Airport(KPMH)
Portsmouth, United States
Last updated: Mar 28, 2026
Activity Summary
Airport Patterns
Emissions up 1098% 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
50t
Signals Detected
5
Highest Severity
High
Elevated activity Apr 18, 2025 – Apr 24, 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 162%.
12.3t CO₂
Elevated activity May 13, 2025 – May 19, 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 162%.
3.6t CO₂
Elevated activity Jun 10, 2025 – Jun 16, 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 162%.
17.1t CO₂
Single high-emission departure N59JE → KLAX on Dec 8, 2025 — 15.4t CO₂, 100% of day's total
Aircraft N59JE departing to KLAX produced 15.4t CO₂, representing 100% of all airport emissions on Dec 8, 2025.
15.4t CO₂
14-day gap in recorded activity ending May 17, 2025
Airport had 14 consecutive days with zero recorded flights before activity resumed on May 17, 2025.
1.2t CO₂
Route Map
KPMH to KLAX · 1,994 miles
Total Flights
2
Avg CO₂/Flight
13.2t
Total Emissions
26.4t CO₂
KPMH to KOPF · 906 miles
Total Flights
2
Avg CO₂/Flight
5.7t
Total Emissions
11.4t CO₂
KPMH to KPDX · 2,064 miles
Total Flights
1
Avg CO₂/Flight
10.7t
Total Emissions
10.7t CO₂
KPMH to KBCT · 876 miles
Total Flights
2
Avg CO₂/Flight
5.3t
Total Emissions
10.6t CO₂
KPMH to KBJC · 1,188 miles
Total Flights
1
Avg CO₂/Flight
7.3t
Total Emissions
7.3t CO₂
KPMH to KSGR · 968 miles
Total Flights
1
Avg CO₂/Flight
5.0t
Total Emissions
5.0t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period