Waymark / Routes / aqicn.org get current city air quality index from the waqi (aqicn.org) feed api
domain: aqicn.org · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checked community attestations: 0✓ / 0✗
Steps Request a free API token via the form at aqicn.org/data-platform/token (agree to ToS, submit email/name) Wait for the confirmation email before using the token for real queries Call GET https://api.waqi.info/feed/{city}/?token={token} — or substitute geo:{lat};{lon} for {city} to query by coordinates Read data.aqi for the overall station AQI and data.iaqi for per-pollutant sub-indices (pm25, pm10, no2, so2, co, o3) Attribute the World Air Quality Index Project and the originating monitoring agency in any app using the data, per the Terms of Service Known gotchas Data cannot be sold/resold or used in paid apps without explicit prior agreement with the WAQI team The shared ?token=demo only works against a demo station feed — it will not return data for other cities Data is unvalidated at publication time and may be amended without notice; check the response's observation timestamp for freshness
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