One year measurements of ammonia levels at three Swedish farms doi-10-5281-zenodo-19495370-0 https://doi.org/10.5281/zenodo.19495370 Swedish National Data Service Svensk nationell datatjänst Landing page One year measurements of ammonia levels at three Swedish farms doi-10-5281-zenodo-19495370-0 https://doi.org/10.5281/zenodo.19495370 2022-01982_Formas Swedish National Data Service Svensk nationell datatjänst Landing page The dataset consists of long-term, on-site NH₃ concentration measurements collected at three farms in Sweden (pig, poultry, and dairy). Monthly average concentrations are recorded from June 2023 to May 2024 at nine spatially distributed sampling locations around each farm. Access to data through an external actor. Data are freely accessible. Åtkomst till data via extern aktör. Data är fritt tillgängliga. openAccess