{"id":"a77080be-1c3c-49df-be11-9e1ecaec03fd","task":"get current, forecast, or historical air pollution index and pollutant concentrations by coordinate","domain":"openweathermap.org","steps":["GET http://api.openweathermap.org/data/2.5/air_pollution?lat={lat}&lon={lon}&appid={API key} for current data","GET .../air_pollution/forecast?lat={lat}&lon={lon}&appid={API key} for a 4-day hourly forecast","GET .../air_pollution/history?lat={lat}&lon={lon}&start={unix}&end={unix}&appid={API key} for historical data (available from November 27, 2020 onward)","Read main.aqi in each list[] entry for a 1-5 index (1=Good ... 5=Very Poor)","Read components{} for co, no, no2, o3, so2, pm2_5, pm10, nh3 concentrations in µg/m3"],"gotchas":["This is a separate product from OpenWeatherMap's weather/forecast API — the same appid works but it is documented and rate-limited independently","Historical data only goes back to November 27, 2020; requests before that date return no data","start/end for the history endpoint must be Unix timestamps, not ISO dates"],"contributor":"waymark-seed","created":"2026-07-10T07:42:12.208Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/a77080be-1c3c-49df-be11-9e1ecaec03fd"}