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Airly API

One API key, thousands of ideas

Effortless access to hyperlocal air quality data from 13,000+ data points, anywhere, anytime.

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Airly API One API key, thousands of ideas

Airly API
Built for developers. Trusted by cities and enterprises

Airly API
Built for developers. Trusted by cities and enterprises

Airly API delivers the best air quality data trusted by 3,000+ organisations and powering over 7 million data calls daily. Designed for seamless integration, it offers real-time data from 13000+ data points and reference sources like EEA, DEFRA and GIOŚ. Whether you're building smart city dashboards, compliance platforms or public apps, our API provides the accuracy, scalability and support developers need.

Explore the power of the Airly API

Plug air quality into your platform
Plug air quality into your platform

Easily integrate air quality data including PM, gases and weather form 13000+ data points into your dashboards or systems. Designed to be fast, intuitive and developer-ready.

Global coverage
Global coverage

Use data from 13000+ data points including public air quality monitoring stations worldwide.

Integrates with your workflow
Integrates with your workflow

Connects with CRMs, GIS, city dashboards, apps and more. Scalable, secure and ready for pilots or large-scale use.

RESTful architecture
Precision data you can trust
Real-time and historical access
Built-in support tools

Explore the power of the Airly API

Airly API is a RESTful, developer-ready interface providing real-time air quality data (PM1, PM2.5, PM10, NO2, O3, CO, SO2, weather conditions). With global sensor coverage, extensive documentation and scalable pricing, it’s built to support smart cities, platforms, apps and digital services.

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Architecture
RESTful JSON-based API
Data types
PM1, PM2.5, PM10, NO2, O3, CO, SO2, Temperature, Humidity, Pressure
Frequency
Real-time (up to 1-minute granularity)
Authentication
API Key
Rate limits
Flexible usage tiers (from 10K to 1M+ calls/mo)
Developer tools
API console, Swagger docs, support portal

Discover how Airly API fits
into a complete air quality monitoring solution

We can turn data into recommendations

Airly API is the alternative way to access real-time air quality data. Alongside with Airly Data Platform and community tools, it enabling developers, researchers and partners to build their own tools and services on top of live, trusted data.

Read more about our solutions

Air quality solutions designed to fit your sector

Local Authorities

Support sustainability goals, shape evidence-based policies, and engage communities through transparent, real-time air quality data.

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Smart City Solutions Providers

Integrate air quality sensors into smart infrastructure - from lighting to kiosks - for more responsive, climate-resilient cities.

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Construction

Monitor dust emissions on-site to meet regulations, minimise complaints, and build public trust in responsible development.

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Distributors & Strategic PartnersEnvironmental ConsultancyIndustrial Sectors: Mining, Chemistry & Energy

Discover success stories from the Airly Network

136 Sensors Powering the Capital’s Clean Air Revolution

London’s fight for clean air gets hyperlocal.

As part of the renewed Breathe London initiative, Airly deployed 136 real-time sensors across all boroughs from Oxford Street to schoolyards. Backed by partners like Vodafone and the GLA, this network delivers actionable insights for residents, hospitals, councils and campaigners and sets the standard for smart urban air monitoring.

Client: Breath London

Location: United Kingdom

Sector: Local Authorities

Real-Time Data That Drives Journalism, Ads and Action

2 million daily users. Live air quality data. Stories, clicks and clean air campaigns.

One of Poland’s biggest news portals uses Airly’s API to deliver real-time pollution data, power programmatic ads, and build public awareness. From dynamic commercial content to the annual #SeeWhatYouBreathe report, this partnership blends environmental impact with media performance and proves that clean air sells.

Client: Onet

Location: Poland

Sector: Enterprises

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Airly API

Airly API

The service provides free or paid access to API, including current readings from sensors, and data from external sources. We support both non‑commercial and commercial use.

  • 3,000 companies and organizations use our API
  • 7,000,000 API data quotes daily
  • 13,000+ data points and public stations worldwide
Global coverage Global coverage
Plug & play Plug & play
Smart city-ready Smart city-ready
Trusted data Trusted data
Easy integration Easy integration
Developer tools Developer tools
Scalable plans Scalable plans
Secure access Secure access
Book a demoVisit Developer Hub

Build your ideal air quality monitoring setup

We have answers to your questions

It provides access to real-time air quality data from 13,000+ data points worldwide for integration into your own tools and systems.
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