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OpenAQ API

by OpenAQ Free tier

Open air quality data

weather

Quick Reference

Base URL https://docs.openaq.org Auth type API Key Header Auth header Authorization: Bearer YOUR_TOKEN Rate limit 10 req/s (no key) · 60 req/s (with API key) Pricing Enterprise / contact sales Free quota None Documentation https://docs.openaq.org/ Endpoint status Live — HTTP 200 — endpoint is accessible549ms (checked Mar 29, 2026) Builder score D 37% builder-friendly
Pricing
28
Latency
76
Depth
14

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free — OpenAQ is an open-source air quality database. API access is completely free. Funded by grants. Aggregates air quality data from governments worldwide.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://docs.openaq.org'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official OpenAQ documentation.