Kweather
Kweather is a South Korean environmental data platform that operates an integrated weather and air quality big data system combining IoT sensors, proprietary K-NWP forecasting, and AI-driven ventilation control, serving B2B enterprises, government agencies, and consumers across approximately 4,000 corporate accounts.
- Company typePublic
- Founded1997
- HeadquartersSeoul, South Korea
- Headcount51–100
- GTM typeB2B and B2C
- OfferingSoftware
What Kweather does
Kweather Co., Ltd. (케이웨더) is a South Korean environmental data platform company founded in 1997 as the country's first licensed private meteorological service provider, headquartered in Seoul and listed on KOSDAQ (ticker: 068100) since February 2024. The company operates an integrated weather and air quality big data platform combining proprietary K-NWP numerical weather prediction technology, IoT-based indoor and outdoor air quality sensors, and AI-driven analytics. Its core product is the Air365 platform (available as SaaS, PaaS, and on-premise), which aggregates real-time data from 30,000+ deployed IoT measurement devices and controls AI-powered ventilation purifiers; companion products include IAQ indoor monitors, OAQ outdoor monitors, KW-series ventilation purifiers, a cooking fume management system for commercial kitchens, heat index meters for occupational safety compliance, and CRMaaS (Climate Risk Management as a Service). Kweather holds the first private weather forecast license in Korea, NeT certification for AI ventilation control from the Ministry of Trade, Industry and Energy, Ministry of Environment Grade 1 performance certification for its measurement devices, and is a designated Public Procurement Service excellent product supplier.
Kweather generates revenue through a diversified mix of recurring and transactional streams: SaaS subscriptions (Air365 with a freemium tier at KRW 10,000-30,000/month add-ons and KRW 50,000/account/month enterprise rental), hardware sales of air measurement devices and ventilation purifiers via kweathermall.co.kr and nationwide distributors, professional services for air intelligence and weather management consulting, B2B data licensing to approximately 4,000 member companies including major Korean portals (Naver, Kakao) and broadcasters, and public procurement sales to government agencies. FY2024 revenue was KRW 15.28 billion (~$10.9M USD), down from KRW 17.07B in 2022, with operating losses of -KRW 2.05B in 2024. The customer base spans B2B enterprise and government (Samsung, KB Kookmin Bank, Lotte, Hyundai, POSCO E&C, Smilegate, Korea Hydro & Nuclear Power, and municipal governments), facility operators in regulated segments (schools, hospitals, daycare), and individual consumers via the Kweather Weather mobile app. Recent strategic initiatives include a $4.5M strategic investment from Nasdaq-listed VivoPower (February 2026, 20% stake), a digital asset reserve and WeatherCoin tokenization partnership with Lean Ventures, and CRMaaS commercialization targeting ESG climate disclosure compliance.
Kweather firmographics
Firmographics- Name
- Kweather
- Legal name
- 케이웨더 주식회사
- Website
- https://kweather.co.kr
- Company type
- Public
- Founded year
- 1997
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Kweather is a South Korean environmental data platform that operates an integrated weather and air quality big data system combining IoT sensors, proprietary K-NWP forecasting, and AI-driven ventilation control, serving B2B enterprises, government agencies, and consumers across approximately 4,000 corporate accounts.
- Ownership category
- akta.pro rank
Kweather industry classification
Industry- Product category
- Environmental Data & Air Quality Platform
- NAICS
- Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Environmental Consulting Services (54162)
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)
- akta.pro primary industry
- Continuous/Remote Monitoring Systems (IoT Sensors, Telemetry, Networks) (EUAHACAL)
- akta.pro secondary industries
- Smart Climate & Air Quality (Thermostats, HVAC, Purifiers, IAQ Sensors) (HSAPAQAD), Heat Pump & Smart HVAC Controller Integration (HSAOANAD)
Keywords
Where Kweather is headquartered
LocationHeadquarters
- HQ city
- Seoul
- HQ country
- South Korea
- HQ region
- Asia
Offices4 records
Markets served
Kweather business model
Business model- GTM type
- B2B and B2C
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure
Revenue model
- SaaS Platform (Air365) Subscription: Air365 air big data platform provided as SaaS (Software as a Service) with subscription tiers. Basic monitoring service free; premium services including data analysis, reporting, and device control billed monthly per account.
- Hardware Sales - Air Quality Measurement Devices: Sale of IoT-based indoor (IAQ series) and outdoor (OAQ series) air quality measurement devices. Revenue recognized upon product delivery. Devices sold through e-commerce mall (kweathermall.co.kr), distribution network, and public procurement.
- Hardware Sales - Ventilation Purifiers: Sale of AI-powered ventilation purifiers in multiple form factors (wall-mounted, ceiling, stand, window-type). Products include HEPA-grade filter ventilation purifiers sold directly and via distributors. Listed as public procurement excellence products.
- Air Intelligence Consulting Services: Professional consulting services for air quality measurement, diagnosis, and improvement including new building syndrome remediation, air quality testing per environmental regulations, and ongoing air quality management. Billed per project.
- Weather Management Consulting: B2B consulting services helping companies analyze weather impact on business metrics, predict demand based on weather data, develop weather calendars, and manage weather-related operational risks.
- B2B Weather and Air Data Content Licensing: Providing specialized weather data, air quality forecasts, and content to approximately 4,000 member companies including portals (Naver, Kakao), broadcasters, and corporate clients. Data licensing on subscription or usage basis.
- PaaS and On-premise Air Data Platform: Platform installation and customization services for enterprise clients requiring on-premise or dedicated platform deployment. Custom development and operation fees billed separately per engagement.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Air365 Basic (Free) - Real-time monitoring of indoor/outdoor air quality, basic data charts and graphs, 1-day data history |
| Subscription | Monthly | Air365 Premium - Analysis service (graph/data/statistics analysis), premium reports, device control |
| Subscription | Monthly | Air365 PaaS - Customized installation and platform operation for enterprise clients |
| One time/ perpetual license | Multi-year contract | Air365 On-premise - Server and service built within customer premises |
| Subscription | Monthly | Rental Model - Monthly rental per user account (SaaS rental type) |
Go-to-market motion3 records
Distribution channels6 records
Marketing channels7 records
Kweather product offering
Product offeringCore offering
Kweather operates an integrated weather and air big data platform combining IoT-based indoor/outdoor air measurement devices, an Air365 SaaS air quality management software platform, AI-powered ventilation purifiers, and a proprietary K-NWP numerical weather prediction model. The company also delivers CRMaaS (Climate Risk Management as a Service), weather/air consulting services, and consumer mobile weather applications. Revenue is generated across SaaS subscriptions, hardware product sales (sensors and purifiers), professional consulting fees, and weather/air data licensing to approximately 4,000 corporate clients and broadcasters in South Korea.
Product overview
Kweather operates as a comprehensive environmental data platform company with two core offerings: a weather big data platform and an air big data platform. The weather platform provides private weather forecasting services using a proprietary K-NWP numerical model to approximately 4,000 corporate subscribers. The air platform centers on Air365 software, an integrated air quality management system that collects real-time data from over 30,000 IoT air quality sensors (IAQ for indoor, OAQ for outdoor) and controls AI-powered ventilation purifiers (KW series) and other air improvement devices. Kweather also offers specialized solutions including a cooking fume management system for commercial kitchens, CRMaaS for climate risk management across heat wave, construction, marine, and ESG applications, and heat index meters for occupational safety compliance. The company holds ISO 9001 and ISO 14001 certifications and achieved KOSDAQ listing in February 2024.
Differentiator
Problem solved
Functional benefit
Brands
- Air365: 공기빅데이터플랫폼 - indoor/outdoor air quality monitoring and management software platform with AI-powered ventilation control
- CRMaaS (Climate Risk Management as a Service)
- 에어가드K (Airguard K)
- WeatherCoin
- 날씨의 아이돌
Products and services
- Air365 Air Big Data Platform
- IAQ Series Indoor Air Quality Monitors
- OAQ Series Outdoor Air Quality Monitors
- KW Series AI Ventilation Purifiers
- Cooking Fume Integrated Air Management System
- CRMaaS (Climate Risk Management as a Service)
- Heat Index Meters (WBGT)
- Weather Forecasting Services
- Air Quality Forecasting Service
- Air Intelligence Consulting
- Weather Management Consulting
- Air Quality Display System (DID)
- Kweather Weather Mobile App
Quantifiable outcome
- 40% electricity energy reduction in ventilation operations through AI-optimized control (NeT certified)
- +4 more outcomes
Companies that use Kweather
Customer profileNamed customers10 records
Segments4 records
Ideal customer profiles4 records
Kweather technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability6 records
Feature7 records
Kweather partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Jung (정)
Scale indicators10 records
Recent moves8 records
Expansion highlights6 records
Kweather competitors and assessment
Company assessmentOthers
- Sensirion: Swiss manufacturer of environmental sensors (temperature, humidity, gas, PM2.5) for HVAC, automotive, and consumer applications. Component-level enabler/competitor to Kweather's IAQ/OAQ sensor modules rather than a direct system competitor.
Direct peers
- IQAir: Swiss-based global leader in air quality monitoring with consumer-grade and commercial IAQ sensors plus the world's largest crowdsourced air quality data platform. Closest direct peer to Kweather in the air quality monitoring, sensor deployment, and data platform business model.
- Aeroqual: New Zealand-based manufacturer of air quality monitoring instruments and integrated sensor networks with a focus on real-time, IoT-enabled air quality measurement. Highly comparable to Kweather's OAQ/IAQ product lines and data services.
- Davis Instruments: U.S. manufacturer of professional-grade weather stations and environmental sensors. Highly comparable to Kweather in proprietary weather instrumentation and IoT sensor deployment for B2B and prosumer segments.
Broad incumbents
- Vaisala: Finland-based global leader in weather, environmental, and industrial measurement with deep portfolio in professional weather stations, lightning data, and road weather. Comparable to Kweather in combining hardware sensors with proprietary data/forecasting services for B2B and government clients.
- AccuWeather: Major U.S.-based private weather forecasting company serving media, enterprise, and government. Comparable to Kweather in weather data licensing, proprietary forecasting capability, and B2B weather-driven business intelligence services.
- Coway: Korea's leading home environmental appliance company (air purifiers, water purifiers, bidets). Domestic Korean peer in air purifier hardware and indoor air quality market — competing for overlapping customer segments with Kweather's KW series ventilation purifiers.
- Winix: Korean manufacturer and global exporter of air purifiers and air quality monitors. Domestic peer in indoor air quality hardware and IoT-enabled air monitoring for consumer and small-business segments.
Emerging players
- BreezoMeter (acquired by Google): Air quality data and API provider serving enterprises with hyper-local air quality intelligence. Direct peer in B2B air quality data licensing — comparable to Kweather's data licensing to ~4,000 corporate members including portals and broadcasters.
- Plume Labs (acquired by Google/Alphabet): Air quality intelligence company providing forecasts, maps, and APIs. Direct peer in air quality data and forecasting, especially in B2B data licensing and mobile consumer applications.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Kweather social profiles
Digital presenceKweather compliance and trust
Trust signalCompliance9 records
Kweather financial estimates
Financial estimateRevenue estimate
Valuation estimate
Kweather leadership team
Management profileNumber of profiles
Profiles3 records
Kweather funding detail
Funding detailFunding overview
Funding rounds2 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Kweather M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Kweather
What does Kweather do?
Kweather operates an integrated weather and air big data platform combining IoT-based indoor/outdoor air measurement devices, an Air365 SaaS air quality management software platform, AI-powered ventilation purifiers, and a proprietary K-NWP numerical weather prediction model. The company also delivers CRMaaS (Climate Risk Management as a Service), weather/air consulting services, and consumer mobile weather applications. Revenue is generated across SaaS subscriptions, hardware product sales (sensors and purifiers), professional consulting fees, and weather/air data licensing to approximately 4,000 corporate clients and broadcasters in South Korea.
Is Kweather a public or private company?
Kweather is a public company. It is classified as public and is currently operating.
When was Kweather founded?
Kweather was founded in 1997. It employs 51 to 100 people.
Where is Kweather based?
Kweather is headquartered in Seoul, South Korea, in the Asia region.
How does Kweather make money?
Seven revenue lines are on record. SaaS Platform (Air365) Subscription is the primary driver. The others are hardware Sales - Air Quality Measurement Devices, hardware Sales - Ventilation Purifiers, air Intelligence Consulting Services, weather Management Consulting, B2B Weather and Air Data Content Licensing and paaS and On-premise Air Data Platform.
Who are Kweather's main competitors?
Sensirion is listed as an others. Direct peers are IQAir, Aeroqual and Davis Instruments. Broad incumbents are Vaisala, AccuWeather, Coway and Winix. Emerging players are BreezoMeter (acquired by Google) and Plume Labs (acquired by Google/Alphabet).
Does Kweather have an API?
No public API is recorded for Kweather.
What industry is Kweather in?
Kweather's product category is Environmental Data & Air Quality Platform. Its primary akta.pro industry code is EUAHACAL, Continuous/Remote Monitoring Systems (IoT Sensors, Telemetry, Networks), with a secondary code of HSAPAQAD, Smart Climate & Air Quality (Thermostats, HVAC, Purifiers, IAQ Sensors). Its NAICS code is 33341 and its SIC code is 3585.