Figures on the graph are based on the half-hourly average monthly mean as reported to the Environment Agency.
Oxides of nitrogen
Primary Emissions data for the past 90 days
Date Oxides of nitrogen Sulphur dioxide Carbon monoxide Hydrogen Chloride Particulates Ammonia TOCs Electricity generation 30 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 74 29 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 77.14 28 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 80.01 27 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 84.84 26 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 82.11 25 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 83.56 24 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 81.09 23 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 79.92 22 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 77.71 21 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 74.66 20 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 78.68 19 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 77.76 18 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 76.91 17 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 73.42 16 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 79.42 15 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 72.03 14 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 75 13 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 52.21 12 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 76.11 11 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 56.37 10 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 60.05 09 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 74.65 08 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 42.61 07 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 0 06 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 19.19 05 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 55.65 04 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 73.08 03 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 75.47 02 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 75.83 01 Apr 2026 85 0 11.4 5 0.1 9.2 0.9 28.24 31 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 88.49 30 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 59.69 29 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 64.74 28 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 72.07 27 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 21.4 26 Mar 2026 0 0 0 0 0 0 0 0 25 Mar 2026 0 0 0 0 0 0 0 0 24 Mar 2026 0 0 0 0 0 0 0 0 23 Mar 2026 0 0 0 0 0 0 0 0 22 Mar 2026 0 0 0 0 0 0 0 0 21 Mar 2026 0 0 0 0 0 0 0 0 20 Mar 2026 0 0 0 0 0 0 0 0 19 Mar 2026 0 0 0 0 0 0 0 0 18 Mar 2026 0 0 0 0 0 0 0 0 17 Mar 2026 0 0 0 0 0 0 0 0 16 Mar 2026 0 0 0 0 0 0 0 0 15 Mar 2026 0 0 0 0 0 0 0 0 14 Mar 2026 0 0 0 0 0 0 0 0 13 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 2.48 12 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 72.51 11 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 81.9 10 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 78.91 09 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 85.94 08 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 84.77 07 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 88.97 06 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 86.6 05 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 84.81 04 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 85.07 03 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 87.19 02 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 81.07 01 Mar 2026 83 0.1 5.9 4.8 0.1 6.6 0.9 83.19 28 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 83.95 27 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 82.66 26 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 82.84 25 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 73.89 24 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 83.3 23 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 74.95 22 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 83.58 21 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 84.08 20 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 80.25 19 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 77.27 18 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 80.64 17 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 83.24 16 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 82.22 15 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 81.56 14 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 85.81 13 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 85.18 12 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 84.09 11 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 84.71 10 Feb 2026 87 0.3 7.5 5.1 0.1 6.3 0.8 82.19 Secondary Emissions data for the past 90 days
Date Oxides of nitrogen Sulphur dioxide Carbon monoxide Hydrogen Chloride Particulates Ammonia TOCs Electricity generation 30 Apr 2026 74 29 Apr 2026 77.14 28 Apr 2026 80.01 27 Apr 2026 84.84 26 Apr 2026 82.11 25 Apr 2026 83.56 24 Apr 2026 81.09 23 Apr 2026 79.92 22 Apr 2026 77.71 21 Apr 2026 74.66 20 Apr 2026 78.68 19 Apr 2026 77.76 18 Apr 2026 76.91 17 Apr 2026 73.42 16 Apr 2026 79.42 15 Apr 2026 72.03 14 Apr 2026 75 13 Apr 2026 52.21 12 Apr 2026 76.11 11 Apr 2026 56.37 10 Apr 2026 60.05 09 Apr 2026 74.65 08 Apr 2026 42.61 07 Apr 2026 0 06 Apr 2026 19.19 05 Apr 2026 55.65 04 Apr 2026 73.08 03 Apr 2026 75.47 02 Apr 2026 75.83 01 Apr 2026 28.24 31 Mar 2026 88.49 30 Mar 2026 59.69 29 Mar 2026 64.74 28 Mar 2026 72.07 27 Mar 2026 21.4 26 Mar 2026 0 25 Mar 2026 0 24 Mar 2026 0 23 Mar 2026 0 22 Mar 2026 0 21 Mar 2026 0 20 Mar 2026 0 19 Mar 2026 0 18 Mar 2026 0 17 Mar 2026 0 16 Mar 2026 0 15 Mar 2026 0 14 Mar 2026 0 13 Mar 2026 2.48 12 Mar 2026 72.51 11 Mar 2026 81.9 10 Mar 2026 78.91 09 Mar 2026 85.94 08 Mar 2026 84.77 07 Mar 2026 88.97 06 Mar 2026 86.6 05 Mar 2026 84.81 04 Mar 2026 85.07 03 Mar 2026 87.19 02 Mar 2026 81.07 01 Mar 2026 83.19 28 Feb 2026 83.95 27 Feb 2026 82.66 26 Feb 2026 82.84 25 Feb 2026 73.89 24 Feb 2026 83.3 23 Feb 2026 74.95 22 Feb 2026 83.58 21 Feb 2026 84.08 20 Feb 2026 80.25 19 Feb 2026 77.27 18 Feb 2026 80.64 17 Feb 2026 83.24 16 Feb 2026 82.22 15 Feb 2026 81.56 14 Feb 2026 85.81 13 Feb 2026 85.18 12 Feb 2026 84.09 11 Feb 2026 84.71 10 Feb 2026 82.19 Licence Limits
Emission Licence Limit Oxides of nitrogen 100.00 (mg/Nm³) Sulphur dioxide 40.00 (mg/Nm³) Carbon monoxide 50.00 (mg/Nm³) Hydrogen Chloride 8.00 (mg/Nm³) Particulates 5.00 (mg/Nm³) Ammonia 15.00 (mg/Nm³) TOCs 10.00 (mg/Nm³)