Why is there so much aircraft noise around Gimpo Airport?

Gimpo International Airport (GMP/RKSS) is one of the rare cases of a busy major airport wedged inside a dense capital city — it sits on the western edge of Seoul in Gangseo-gu, hemmed by the Han River to the north and the cities of Bucheon and Gimpo to the south and west. Its two parallel runways share a single north-west / south-east alignment (14/32), so all the heavy approach and departure noise is funnelled into one narrow corridor that slices through residential districts rather than spreading evenly. That is why Gimpo is one of Korea's most-complained-about airports for noise, despite Incheon (ICN) handling most long-haul traffic.

Is Banghwa-dong loud from planes?

Yes. Banghwa-dong sits about 2 km north-west of the field, directly off the runway-14 approach and runway-32 departure corridor, so aircraft pass overhead at low altitude. Along with neighbouring Gaehwa-dong and the airport's own Gonghang-dong, it is one of the most exposed residential areas around Gimpo. Drop a pin on the map above to see your specific street's exposure.

Is Mok-dong (Yangcheon-gu) under the Gimpo flight path?

Partly. Mok-dong in Yangcheon-gu lies east of the runway axis, lateral to the main 14/32 corridor rather than directly beneath it, so it catches overflight noise mainly on easterly turns rather than the lowest approach segments. Yangcheon-gu is a member district of the Gimpo Airport noise countermeasure committee, which channels government soundproofing subsidies to affected households. Use the pin-drop tool above to check a specific Mok-dong address.

Does Gimpo noise reach Bucheon?

Yes. The south-east (32) end of the corridor runs into Bucheon Ojeong-gu, where aircraft pass over Gogang-dong (between Gogang 1-dong and Gogang Bon-dong) — this is the on-centreline district at the 32 end, the south-eastern counterpart to Banghwa and Gaehwa at the north-west end. Central Bucheon (Wonmi-gu and Sosa-gu) sits further out along the same southern extension and sees medium exposure. Drop a pin to see counts for your address.

How do Gimpo's runways 14 and 32 work?

Gimpo has two parallel asphalt runways on a single north-west / south-east axis: 14L/32R at 3,600 m and 14R/32L at 3,200 m. When traffic uses the 14 ends, aircraft approach from the north-west over the Han River and Gangseo-gu and depart to the south-east toward Bucheon; when the flow reverses to the 32 ends, aircraft approach from the south-east over Bucheon and climb out to the north-west. Because both runways share the same alignment, the noise corridor is a single narrow band rather than a spread-out footprint.

Which areas around Gimpo are quietest?

Areas off the 14/32 centreline are markedly quieter. Bupyeong-gu (Incheon) to the south-west, Yeongdeungpo-gu well to the east, and Ilsan (Goyang) to the north across the Han River sit outside the close-in corridor and only catch higher-altitude overflight. The most affected areas are the on-centreline districts at each runway end: Banghwa-dong, Gaehwa-dong and Gonghang-dong to the north-west, and Bucheon Gogang-dong to the south-east.

How do I report aircraft noise at Gimpo, and is there a soundproofing subsidy?

Noise complaints are handled by Korea Airports Corporation (KAC) through its Airport Noise Portal at airportnoise.kr (phone +82-2-2660-4807), and a multi-district Gimpo Airport noise countermeasure committee coordinates mitigation. Government soundproofing subsidies are available to households inside the designated noise-impact zones; the committee and KAC portal explain eligibility and how to apply.

Seoul Flight Path Noise Map – Gimpo International Airport (GMP)

Name: Aircraft noise observations near Gimpo International Airport
Creator: Flight Path Noise
License: https://creativecommons.org/licenses/by/4.0/

Aircraft noise around Seoul in October 2026

Loudest neighborhoods near Seoul: Banghwa-dong, Gaehwa-dong, Gonghang-dong (Gangseo-gu), Gyeyang-gu / Sangya-dong (Incheon), Bucheon Ojeong-gu (Gogang-dong). Quietest: Bupyeong-gu (Incheon), Yeongdeungpo-gu, Ilsan (Goyang). Busiest around 2 PM local time averaging 403 flights/day. Source: Flight Path Noise monitoring data, 30 days to 2026-10-18.

Flights by hour · last 30 days

12a6a12p6p

Average daily traffic

403

flights / day · 12,086 total

Busiest hour

2 PM

peak 95 dB

Loudest hour

2 PM

peak 95 dB

Loudest residential area

Gimpo city centre (Gimpo-si)

69 dB avg · ~211 flights/day · Busy road

North-west along the extended 14/32 corridor over the Han River plain; intermittent overflight

Does Seoul Airport have a curfew?

Yes — a mandatory night curfew, 11 PM – 5 AM.

Gimpo enforces a mandatory overnight closure for noise abatement, running roughly from 23:00 to 05:00–06:00 local time (sources disagree on the exact reopening hour). Flights that would otherwise operate after about 23:00 are diverted or redirected to Incheon International (ICN), except for emergencies, special missions and abnormal conditions. This curfew is the single defining noise mitigation at Gimpo. Note that the old midnight–04:00 national-security curfew, which existed for decades, was abolished in 1982 and is separate from today’s noise curfew.

Gimpo International Airport (GMP/RKSS) is the rare case of a busy major airport that sits squarely inside a dense capital city. It is wedged into the western edge of Seoul in Gangseo-gu, hemmed by the Han River to the north and the satellite cities of Bucheon and Gimpo to the south and west. Its two parallel runways both run on a north-west / south-east axis (14/32), so the noise footprint is a long, narrow corridor that slices through Gangseo-gu, Yangcheon-gu and Bucheon rather than spreading evenly. Unlike Incheon (ICN), which was built offshore on Yeongjong Island partly to escape exactly this problem, Gimpo’s flight paths pass directly over tens of thousands of apartment dwellers — making it one of Korea’s most-complained- about airports for noise. The single defining mitigation is a firm overnight closure (roughly 23:00–06:00), with late aircraft diverted to Incheon, backed by a multi-district noise countermeasure committee that channels soundproofing subsidies to affected households.

Which neighborhoods are quietest — and which aren’t

Gimpo runs two parallel asphalt runways on one alignment: 14L/32R (3,600 m / 11,811 ft) and 14R/32L (3,200 m / 10,499 ft), the shorter runway lying to the east. Because both share the same north-west / south-east heading (~140° and ~320°), all the heavy noise concentrates in a single corridor along that axis. The areas immediately off the runway ends sit under the lowest, loudest segments of approach and departure; lateral districts catch sideline noise and turning traffic; everything well off the centreline is markedly quieter.

Area	Aircraft noise	Why
Banghwa-dong	✈︎✈︎✈︎	~2 km NW, directly off the 14-end approach / 32-end departure path
Gaehwa-dong	✈︎✈︎✈︎	Adjacent to the NW boundary, squarely beneath the 14/32 corridor
Gonghang-dong (Gangseo-gu)	✈︎✈︎✈︎	The “airport district” wrapping the field; taxi, run-up and departure noise
Gyeyang / Sangya-dong (Incheon)	✈︎✈︎✈︎	On the NW (14-end) centreline extension; field is just SE of Sangya-dong
Bucheon Ojeong-gu (Gogang-dong)	✈︎✈︎✈︎	On-centreline district at the 32 end; aircraft pass over Gogang-dong
Hwagok-dong	✈︎✈︎	Dense Gangseo-gu area lateral to the corridor; turning traffic overhead
Magok-dong	✈︎✈︎	NE near the Han River; sideline noise on 32-end operations
Yangcheon-gu (Mok-dong)	✈︎✈︎	Lateral overflight on easterly turns; noise-committee district
Sosa-gu / Wonmi-gu (Bucheon)	✈︎✈︎	Central Bucheon under the broader 32-end / 14-end path
Gimpo city centre	✈︎✈︎	NW along the extended corridor over the Han River plain
Bupyeong-gu (Incheon)	✈︎	Off the main corridor to the SW; higher-altitude overflight only
Yeongdeungpo-gu	✈︎	Well east of the runway axis; aircraft higher and offset
Ilsan (Goyang)	✈︎	North across the Han River, outside the close-in corridor

If aircraft noise is a primary concern, the practical pattern at Gimpo is to get off the 14/32 centreline. The on-corridor districts at each runway end — Banghwa-dong, Gaehwa-dong and Gonghang-dong to the north-west, and Bucheon Gogang-dong to the south-east — are the most consistently affected. Districts that are laterally offset but still close (Hwagok-dong, Magok-dong, Mok-dong) get a step down to medium exposure, while anything well off the axis (Bupyeong-gu, Yeongdeungpo-gu, Ilsan) drops to occasional high-altitude overflight. If you’re weighing an apartment in any of the closer districts, drop a pin on the map above to see how its specific street sits relative to the corridor.

Flight patterns and runway use

Both of Gimpo’s runways point the same way, so the operation only ever flips between two states. When traffic uses the 14 ends, aircraft approach from the north-west over the Han River and lower Gangseo-gu and depart to the south-east toward Bucheon and Yangcheon. When the flow reverses to the 32 ends, aircraft approach from the south-east over Bucheon and climb out to the north-west over the river. Either way, the low-altitude noise lands in the same narrow band — it is only the direction of travel that changes.

That is why the district most exposed at the north-west end (Banghwa, Gaehwa, Gonghang, and Gyeyang-gu’s Sangya-dong in Incheon) and the district most exposed at the south-east end (Bucheon Ojeong-gu’s Gogang-dong) are mirror images of one another: both sit directly off a runway threshold on the 14/32 line. Sideline districts such as Hwagok-dong, Magok-dong and Mok-dong are not under the threshold but are close enough to catch turning departures and arrivals.

Published preferential-runway and prevailing-wind data for Gimpo were not confirmed in the sources reviewed here, so this page does not claim one operating direction dominates — the corridor itself (14/32) is well established, but which end is in use on a given day depends on wind. The route-density layer on the map above shows the cumulative result: a single bright band running north-west to south-east through the field, fading quickly to either side. Gimpo’s principal noise control is operational rather than procedural — the near-total overnight closure described below does more to protect residents than any flight-path tweak.

When is it quietest?

The defining feature of Gimpo’s daily noise profile is its hard overnight shutdown:

Overnight closure (~23:00 – 05:00/06:00): effectively silent. Flights that would otherwise operate after about 23:00 are diverted to Incheon (ICN), except for emergencies, special missions and abnormal conditions. This is the single most important reason the surrounding apartment districts remain liveable despite sitting under the corridor by day.
Early morning (06:00 onward): traffic resumes with the first domestic and short-haul departures; the corridor goes from quiet to busy quickly.
Daytime (mid-morning to evening): the sustained core of operations, with the heaviest overflight concentrated along the 14/32 band.
Late evening (toward 23:00): traffic tapers as flights race to land or depart before the curfew takes effect; anything running late is sent to Incheon instead.

Because both runways share one alignment, there is no “quiet runway” to hope for — the only reliably quiet window is the overnight closure. A wind shift that flips the operation between the 14 and 32 ends changes which direction aircraft travel over your home, but not whether you are under the corridor. For the hourly profile at your specific address, drop a pin on the map above.

How to check noise at your specific address

The map above answers the question “is this spot loud?” for any address around Gimpo:

Search your address or postcode in the bar at the bottom of the map (works for Gangseo-gu, Bucheon, Yangcheon-gu and Incheon districts alike).
Drop a pin — click the location marker that appears.
Read the noise report in the sidebar: average daily noise, peak observed level, flights per day passing within 2 km, and an hourly breakdown.

The Noise Heatmap layer (orange/red = louder) and the Route Density layer (purple/magenta = busier corridors) make the single north-west / south-east band obvious — you can see at a glance whether an address is on the 14/32 centreline or safely off to the side. Most addresses outside the on-corridor ring (Banghwa, Gaehwa, Gonghang, Sangya-dong, Bucheon Gogang) and the close lateral districts (Hwagok, Magok, Mok-dong) fall into the quieter zone for daytime noise, and the overnight closure handles the night on its own.

If you are inside a designated noise-impact zone, you may also be eligible for government soundproofing subsidies: complaints and subsidy enquiries go to Korea Airports Corporation’s Airport Noise Portal (airportnoise.kr, +82-2-2660-4807), which works alongside the multi-district Gimpo Airport noise countermeasure committee.

Frequently asked questions

Why is there so much aircraft noise around Gimpo Airport?: Gimpo International Airport (GMP/RKSS) is one of the rare cases of a busy major airport wedged inside a dense capital city — it sits on the western edge of Seoul in Gangseo-gu, hemmed by the Han River to the north and the cities of Bucheon and Gimpo to the south and west. Its two parallel runways share a single north-west / south-east alignment (14/32), so all the heavy approach and departure noise is funnelled into one narrow corridor that slices through residential districts rather than spreading evenly. That is why Gimpo is one of Korea's most-complained-about airports for noise, despite Incheon (ICN) handling most long-haul traffic.
Is Banghwa-dong loud from planes?: Yes. Banghwa-dong sits about 2 km north-west of the field, directly off the runway-14 approach and runway-32 departure corridor, so aircraft pass overhead at low altitude. Along with neighbouring Gaehwa-dong and the airport's own Gonghang-dong, it is one of the most exposed residential areas around Gimpo. Drop a pin on the map above to see your specific street's exposure.
Is Mok-dong (Yangcheon-gu) under the Gimpo flight path?: Partly. Mok-dong in Yangcheon-gu lies east of the runway axis, lateral to the main 14/32 corridor rather than directly beneath it, so it catches overflight noise mainly on easterly turns rather than the lowest approach segments. Yangcheon-gu is a member district of the Gimpo Airport noise countermeasure committee, which channels government soundproofing subsidies to affected households. Use the pin-drop tool above to check a specific Mok-dong address.
Does Gimpo noise reach Bucheon?: Yes. The south-east (32) end of the corridor runs into Bucheon Ojeong-gu, where aircraft pass over Gogang-dong (between Gogang 1-dong and Gogang Bon-dong) — this is the on-centreline district at the 32 end, the south-eastern counterpart to Banghwa and Gaehwa at the north-west end. Central Bucheon (Wonmi-gu and Sosa-gu) sits further out along the same southern extension and sees medium exposure. Drop a pin to see counts for your address.
How do Gimpo's runways 14 and 32 work?: Gimpo has two parallel asphalt runways on a single north-west / south-east axis: 14L/32R at 3,600 m and 14R/32L at 3,200 m. When traffic uses the 14 ends, aircraft approach from the north-west over the Han River and Gangseo-gu and depart to the south-east toward Bucheon; when the flow reverses to the 32 ends, aircraft approach from the south-east over Bucheon and climb out to the north-west. Because both runways share the same alignment, the noise corridor is a single narrow band rather than a spread-out footprint.
Which areas around Gimpo are quietest?: Areas off the 14/32 centreline are markedly quieter. Bupyeong-gu (Incheon) to the south-west, Yeongdeungpo-gu well to the east, and Ilsan (Goyang) to the north across the Han River sit outside the close-in corridor and only catch higher-altitude overflight. The most affected areas are the on-centreline districts at each runway end: Banghwa-dong, Gaehwa-dong and Gonghang-dong to the north-west, and Bucheon Gogang-dong to the south-east.
How do I report aircraft noise at Gimpo, and is there a soundproofing subsidy?: Noise complaints are handled by Korea Airports Corporation (KAC) through its Airport Noise Portal at airportnoise.kr (phone +82-2-2660-4807), and a multi-district Gimpo Airport noise countermeasure committee coordinates mitigation. Government soundproofing subsidies are available to households inside the designated noise-impact zones; the committee and KAC portal explain eligibility and how to apply.

Sources and further reading

Gimpo International Airport — Wikipedia — Wikipedia
RKSS — Seoul / Gimpo International Airport — SkyVector
공항소음포털 (Airport Noise Portal) — Korea Airports Corporation
김포공항 소음대책위원회 (Gimpo Airport Noise Countermeasure Committee) — Yangcheon-gu Office
Gimpo International Airport, Gangseo, South Korea — Airport-Technology
Gimpo (Kimpo) International Airport noise data sheet — The Boeing Company

Data updated 2026-10-18 — live ADS-B monitoring, rolling 30-day statistics (methodology). Article text revised 2026-05-30.

30 dB	Whisper
45 dB	Quiet residential
55 dB	Normal conversation
65 dB	Busy road
75 dB	Vacuum cleaner
85 dB	Heavy traffic
95 dB	Motorcycle nearby

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Seoul Flight Path Noise Map – Gimpo International Airport (GMP)

Aircraft noise around Seoul in October 2026

Does Seoul Airport have a curfew?

Which neighborhoods are quietest — and which aren’t

Flight patterns and runway use

When is it quietest?

How to check noise at your specific address

Frequently asked questions

Sources and further reading

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