# OpenAQ

**Canonical:** https://apis.io/providers/openaq/  
**Website:** https://openaq.org/developers/platform-overview/  
**APIs profiled:** 28

OpenAQ is a non-profit organization that focuses on collecting and sharing air quality data from around the world. By providing access to this information through their open-source platform, OpenAQ aims to empower individuals, communities, and organizations to take action towards improving air quality and public health.

## Kin Score — 28.2 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 28.2).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 50.1 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 29.6 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | na |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (28)

- **OpenAQ Averages API** — The Averages API from OpenAQ — 1 operation(s) for averages.
- **OpenAQ Cities API** — The Cities API from OpenAQ — 2 operation(s) for cities.
- **OpenAQ Countries API** — The Countries API from OpenAQ — 6 operation(s) for countries.
- **OpenAQ Daily API** — The Daily API from OpenAQ — 2 operation(s) for daily.
- **OpenAQ Days API** — The Days API from OpenAQ — 5 operation(s) for days.
- **OpenAQ Flags API** — The Flags API from OpenAQ — 2 operation(s) for flags.
- **OpenAQ Hourly API** — The Hourly API from OpenAQ — 1 operation(s) for hourly.
- **OpenAQ Hours API** — The Hours API from OpenAQ — 7 operation(s) for hours.
- **OpenAQ Instruments API** — The Instruments API from OpenAQ — 3 operation(s) for instruments.
- **OpenAQ Latest API** — The Latest API from OpenAQ — 6 operation(s) for latest.
- **OpenAQ Licenses API** — The Licenses API from OpenAQ — 2 operation(s) for licenses.
- **OpenAQ Locations API** — The Locations API from OpenAQ — 11 operation(s) for locations.
- **OpenAQ Manufacturers API** — The Manufacturers API from OpenAQ — 3 operation(s) for manufacturers.
- **OpenAQ Measurements API** — The Measurements API from OpenAQ — 5 operation(s) for measurements.
- **OpenAQ Monthly API** — The Monthly API from OpenAQ — 2 operation(s) for monthly.
- **OpenAQ Owners API** — The Owners API from OpenAQ — 2 operation(s) for owners.
- **OpenAQ Parameters API** — The Parameters API from OpenAQ — 5 operation(s) for parameters.
- **OpenAQ Project API** — The Project API from OpenAQ — 1 operation(s) for project.
- **OpenAQ Projects API** — The Projects API from OpenAQ — 2 operation(s) for projects.
- **OpenAQ Providers API** — The Providers API from OpenAQ — 2 operation(s) for providers.
- **OpenAQ Readme API** — The Readme API from OpenAQ — 1 operation(s) for readme.
- **OpenAQ Sensor API** — The Sensor API from OpenAQ — 1 operation(s) for sensor.
- **OpenAQ Sensors API** — The Sensors API from OpenAQ — 19 operation(s) for sensors.
- **OpenAQ Slug API** — The Slug API from OpenAQ — 1 operation(s) for slug.
- **OpenAQ Sources API** — The Sources API from OpenAQ — 3 operation(s) for sources.
- **OpenAQ Summary API** — The Summary API from OpenAQ — 1 operation(s) for summary.
- **OpenAQ Yearly API** — The Yearly API from OpenAQ — 2 operation(s) for yearly.
- **OpenAQ Years API** — The Years API from OpenAQ — 1 operation(s) for years.

## Agentic access (1)

- **Openaq Agentic Access** — 64 operations

## Security (3)

- **Openaq Authentication** — apiKey · 1 scheme
- **Openaq Domain Security** — TLSv1.3 · HSTS · DMARC
- **Openaq Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Openaq Plans Pricing**

## Tags

Data, Data Quality

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/openaq/). Scores are computed from the provider's own public artifacts under a published rubric.