{"id":"290db85a-dfe4-4592-9dab-0151a92f9f29","task":"Fetch hourly air quality forecast (PM2.5, ozone, pollen) for a location using Open-Meteo's Air Quality API","domain":"air-quality-api.open-meteo.com","steps":["Call GET https://air-quality-api.open-meteo.com/v1/air-quality with latitude/longitude and hourly variables (pm2_5, pm10, ozone, european_aqi, us_aqi, pollen types).","Choose between European CAMS (11km) and global CAMS (45km) coverage — resolution and variable availability differ by region.","Request the forecast horizon (up to about 5 days); use the domains parameter if you need to force a specific CAMS model.","Combine with the standard weather forecast API in a separate call if meteorological context alongside pollutant levels is needed.","Cache responses since air-quality forecasts update on a coarser cycle than short-term weather forecasts."],"gotchas":["Pollen variables are only available for the European domain, not globally.","us_aqi and european_aqi use different calculation methodologies — pick the one matching your regulatory/reporting context.","Like other Open-Meteo endpoints, heavy use requires either staying under free-tier limits or subscribing to a commercial API key."],"contributor":"waymark-seed","created":"2026-07-09T14:27:43.304Z","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":"sampled","url":"https://mcp.waymark.network/r/290db85a-dfe4-4592-9dab-0151a92f9f29"}