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- Published by:
- Natural Resources Wales
- Last updated:
- 14 October 2025
This layer provides a Critical Level (CLe) for ammonia against which impacts on a SSSI should be assessed. The value is the lowest CLe for a feature on that site. The layer gives the SSSI name,...
- Published by:
- Natural Resources Wales
- Last updated:
- 31 March 2023
This layer provides a Critical Level (CLe) for ammonia against which impacts on a SSSI should be assessed. The value is the lowest CLe for a feature on that site. The layer gives the SSSI...
- Published by:
- Natural Resources Wales
- Last updated:
- 14 October 2025
This layer identifies areas of Ancient Woodland and Parkland from which NRW hold recent, auditable records of N-sensitive lichens. Not all lichens are sensitive to increased ammonia: the 62 species...
- Published by:
- Natural Resources Wales
- Last updated:
- 31 March 2023
This layer identifies areas of Ancient Woodland and Parkland from which NRW hold recent, auditable records of N-sensitive lichens. Not all lichens are sensitive to increased ammonia: the 62...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 16 July 2026
This file contains 1-min resolution data for Whim Bog NH3 release system activation, wind speed and direction as well as NH3 concentrations, temperature and relative humidity (RH) (not all sensors...
- Published by:
- Greater London Authority
- Last updated:
- 23 July 2026
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- Published by:
- OpenDataNI
- Last updated:
- 18 June 2026
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. ...
- Published by:
- OpenDataNI
- Last updated:
- 18 June 2026
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. ...
- Published by:
- OpenDataNI
- Last updated:
- 23 July 2026
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. ...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
This data contains the emissions of ammonia (NH3) from agricultural sources in the South Asia region, for the year 2015. Agriculture is represented by five sub-sectors: crop residue burning (CRB),...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
This dataset contains information about meteorological conditions, ammonia concentration and deposition rates resulting from an experimental ammonia (NH3) enhancement setup in a tropical forest in...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
[THIS DATASET HAS BEEN WITHDRAWN]. This dataset contains information about meteorological conditions, ammonia concentration and deposition rates resulting from an experimental ammonia (NH3)...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
This dataset contains information about meteorological conditions and ammonia concentration and deposition rates resulting from an experimental setup. An NH3 enhancement experiment along with a...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
[THIS DATASET HAS BEEN WITHDRAWN]. This dataset contains information ammonia concentration and deposition rates resulting from an experimental setup. An NH3 enhancement experiment was established...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
[THIS DATASET HAS BEEN WITHDRAWN]. This dataset contains information about meteorological conditions and ammonia concentration and deposition rates resulting from an experimental setup. An NH3...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
This dataset is from the Northern Ireland (NI) ALPHA® Ammonia Monitoring network, and consists of monthly concentrations of atmospheric ammonia (NH3) gas measured with the UKCEH ALPHA® method at 25...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
The data contains nitrogen (N) offtake, N emissions (ammonia and nitrous oxide), soil parameters (pH, EC, NH4+, NO3−), biomass and grain production from a winter wheat field experiment located at...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
This dataset consists of ammonia (NH3) measurements from a set of ALPHA (Adapted Low-cost Passive High Absorption) sampler sites at Ballynahone National Nature Reserve, a designated Area of Special...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 July 2026
This dataset consists of ammonia (NH3) measurements from a set of ALPHA (Adapted Low-cost Passive High Absorption) sampler sites at Ballynahone National Nature Reserve, a designated Area of Special...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 July 2024
This data gives the concentration of nutrients in sea water samples from the
water column and from sediments (pore-water) taken in the North Sea. Includes
measurements for Nitrate (NO3) Nitrite...
