https://researchdata.se/sv/catalogue Researchdata.se Search results sv One year measurements of ammonia levels at three Swedish farms 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. Fri, 10 Apr 2026 00:00:00 GMT https://researchdata.se/sv/catalogue/dataset/doi-10-5281-zenodo-19495370 https://researchdata.se/sv/catalogue/dataset/doi-10-5281-zenodo-19495370 IVL Svenska Miljöinstitutet Watne, Ågot Sofie, Hellsten Sofie, Petersson