Environment & Weather › Atmosphere › Weather Observation and Forecasts — Public Data APIs

Open APIs related to Weather Observation and Forecasts, within Environment & Weather › Atmosphere on the Public Data Portal. 10 REST APIs, sorted by most requested. Click a name to go to its application page on the Public Data Portal. Search & filter on the main explorer.

  1. Seoul Metropolitan Government – Real-time Rainfall Information Service

    Seoul Metropolitan Government · Busan · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2019-12-26
    374 requests

    Provides real-time information on rainfall, wind direction, and wind speed in Busan.

    RESTAuto-approvedNo restriction
  2. Korea Environment Corporation – AirKorea High-Concentration Ultra-Fine Dust (>50) Forecast Information

    Korea Environment Corporation · Nationwide · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2026-06-30
    333 requests

    This is data providing air pollution forecast information, specifically providing high-concentration ultra-fine dust (>50) forecast information. * Previously, whether ultra-fine dust exceeded 50 ㎍/㎥ was provided for the Seoul, Incheon, and Gyeonggi regions, but now it is provided nationwide. Fine dust forecasts include today's forecast / tomorrow's forecast / the day after tomorrow's forecast.…

    RESTReview requiredNo derivatives
  3. Korea Meteorological Administration – Aviation Weather Report (IWXXM Ver. 2.0) Inquiry Service

    Korea Meteorological Administration · Nationwide · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2021-08-04
    250 requests

    This service provides observations and aviation weather reports from 7 airports nationwide to support safe aircraft operations. (Provides aviation weather observations, aviation climate statistics, low-level wind shear warnings, aviation weather reports, and global airport aviation weather reports)

    RESTAuto-approvedNo restriction
  4. Korea Meteorological Administration – World Airport Aviation Weather Report Inquiry Service

    Korea Meteorological Administration · Nationwide · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2025-09-17
    203 requests

    항공기의 안전한 운항을 지원하기 위해 공항에서 관측한 자료와 항공기상전문 자료를 제공하는 서비스입니다.(항공기상관측, 항공기후통계, 저층윈드시어경고, 항공기상전문, 세계공항 항공기상전문 등을 제공하고 있습니다.)(참고) 항공기상전문은 항공기의 안전한 이·착륙과 운항을 위해 전 세계 공항 및 비행장에 대해…

    RESTAuto-approvedNo restriction
  5. Busan Metropolitan Government – Real-time Wind Direction and Wind Speed Information Service

    Busan Metropolitan Government · Busan · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2022-10-13
    171 requests

    Provides real-time information on rainfall, wind direction, and wind speed in Busan.

    RESTAuto-approvedNo restriction
  6. Busan Metropolitan City – Air Pollution Forecast and Advisory Issuance Status Inquiry

    Busan Metropolitan City · Busan · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2025-08-07
    81 requests

    This data comprehensively records the forecast and advisory issuance status for ozone, particulate matter (PM10), and fine particulate matter (PM2.5) occurring in Busan Metropolitan City. Detailed information is included for each pollutant, such as forecast grades, issuance times of advisories and warnings, lifting times, issued regions, warning stages, and air pollution measurement concentrations at the time of issuance.…

    RESTAuto-approvedNo restriction
  7. Korea Western Power – Weather observation information inquiry service

    Korea Western Power Co. · Nationwide · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2026-05-07
    56 requests

    The weather observation information inquiry service provided by Korea Western Power consists of facility ID, measurement time, facility status code, alarm details, ambient temperature, module temperature, wind direction, wind speed, precipitation, humidity, inclined surface solar radiation, cumulative inclined surface solar radiation, horizontal surface solar radiation, cumulative horizontal surface solar radiation, and local time. This data records the weather conditions of the environment where the facility is located…

    RESTReview requiredAttribution required
  8. Sokcho-si, Gangwon State – Daily Weather Information Statistics Inquiry Service

    Sokcho City · Gangwon Sokcho-si · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2024-01-30
    47 requests

    Sokcho City daily weather information statistics inquiry service that provides daily maximum, minimum, and average figures for atmospheric pressure, fine dust, ultrafine dust, wind speed, humidity, temperature, and odor sensor information (specific areas) based on a specific date.

    RESTAuto-approvedNo restriction
  9. Yangju-si, Gyeonggi-do – Air Quality Information

    Yangju-si, Gyeonggi-do · Gyeonggi Yangju-si · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2024-01-19
    41 requests

    Provides Yangju-si air quality information data at requested data intervals, including ultrafine dust (PM2.5) concentration, fine dust (PM10) concentration, ultrafine dust (PM2.5) 1-hour grade, and fine dust (PM10) 1-hour grade by measuring station and announcement time.

    RESTReview requiredNo restriction
  10. Korea Dongseo Power Co., Ltd. – Weather and Air Quality Information Inquiry around Power Plants

    Korea Dongseo Power Co., Ltd. · Nationwide · Environment & Weather › Atmosphere › Weather Observation and Forecasts · Updated 2025-06-24
    36 requests

    This is 'Weather and Air Quality Information Inquiry around Power Plants' data provided in open API format by Korea Dongseo Power. This data consists of items such as year, standard item, fine dust (㎍/㎥), ultrafine dust (㎍/㎥), ozone (ppm), nitrogen dioxide (ppm), sulfur dioxide (ppm), carbon monoxide (ppm), and automated collection and system linkage…

    RESTAuto-approvedNo restriction
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