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Emissions monitoring

Oxides of nitrogen

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Primary Emissions data for the past 90 days

Date Oxides of nitrogenSulphur dioxideCarbon monoxideHydrogen ChlorideVOCsParticulatesAmmoniaHydrogen FluorideElectricity exported
19 Jan 2026140.0320.26.2200.550.720.450.56202.09
18 Jan 2026141.420.084.400.530.70.440.58207.75
17 Jan 2026142.1920.414.9600.530.710.480.56203.41
16 Jan 2026143.7920.075.700.60.80.560.44197.62
15 Jan 2026143.9920.018.4300.620.820.680.66207.41
14 Jan 2026144.9720.325.8700.570.780.560.64198.47
13 Jan 2026142.8619.745.1400.60.860.550.74171.29
12 Jan 2026144.1220.084.6700.590.860.60.65180
11 Jan 2026139.3620.465.1200.570.850.590.62180.6
10 Jan 2026141.7920.13500.570.810.530.62185.23
09 Jan 2026144.8920.385.500.550.830.580.54195.31
08 Jan 2026145.620.315.7600.540.830.610.52205.53
07 Jan 2026144.0119.95.2600.630.790.540.63192.67
06 Jan 2026140.6619.315.8500.840.860.640.6182.49
05 Jan 2026146.2919.735.2900.60.850.510.55201.03
04 Jan 2026146.4720.285.2100.610.870.540.54205.49
03 Jan 2026145.7520.325.500.610.890.580.51206.47
02 Jan 2026145.4420.186.6200.590.890.590.56205.08
01 Jan 2026146.2119.826.7800.610.90.570.51202.98
31 Dec 2025144.8820.16.700.570.890.540.54203.1
30 Dec 2025145.8720.085.3100.590.860.530.59201.68
29 Dec 2025144.33205.7900.580.850.530.57201.51
28 Dec 2025146.1320.324.700.560.860.50.6208.53
27 Dec 2025144.6320.055.2300.60.860.550.54202.98
26 Dec 2025144.1119.975.6100.620.840.570.57202.99
25 Dec 2025144.9420.2610.5900.60.860.60.6200.59
24 Dec 2025144.6520.246.5900.610.840.550.16203.03
23 Dec 2025146.1420.135.290.010.60.850.510.14200.67
22 Dec 2025145.84205.2600.570.860.530.17204.21
21 Dec 2025146.1220.294.9200.580.860.520.16203.65
20 Dec 2025145.1119.87.600.620.860.590.14195.61
19 Dec 2025143.4719.816.9300.590.820.540.17194.68
18 Dec 2025145.3920.255.970.060.560.820.50.21200.52
17 Dec 2025143.0619.75.170.140.61.680.50.15184.32
07 Dec 2025148.8619.2403.450.280.590.290.09188.77
06 Dec 2025146.5619.0503.10.260.60.330.05155.72
05 Dec 2025145.5718.51.793.050.360.620.310164.72
04 Dec 2025144.3719.211.232.430.270.630.30168.47
03 Dec 2025145.0618.0801.640.340.70.370167.35
02 Dec 2025146.0619.330.231.30.350.80.410.01175.21
01 Dec 2025146.8819.70.992.230.240.610.320.05185.3
30 Nov 2025150.0619.8502.020.30.60.310.01187.99
29 Nov 2025148.8318.690.771.530.260.610.390.03189.89
28 Nov 2025147.9218.180.521.170.270.630.40196.23
27 Nov 2025149.7217.810.720.710.260.640.340115.07
26 Nov 2025147.517.934.441.50.330.610.380.390
25 Nov 2025147.3918.781.51.940.430.580.340.390
24 Nov 2025142.8318.434.512.280.470.560.320.360
23 Nov 2025144.9318.9303.130.220.550.270.440
22 Nov 2025143.5818.961.942.840.290.560.30.467.37
21 Nov 2025145.118.130.273.320.320.530.260.29203.59
20 Nov 2025144.1818.071.223.30.260.530.270.16200.99
19 Nov 2025144.5718.171.643.410.280.520.260.19199.78
18 Nov 2025144.219.330.463.790.260.520.270.24208.65
17 Nov 2025144.4419.180.213.620.280.520.260213.18
16 Nov 2025146.2519.7303.740.260.520.240214.5
15 Nov 2025143.6421.0103.620.320.540.260212.33
14 Nov 2025143.9118.171.173.130.290.550.280200.07
13 Nov 2025145.519.2304.430.340.540.220211.29
12 Nov 2025143.1319.2204.780.380.550.140200.49
11 Nov 2025145.9119.3703.790.290.550.140208.69
10 Nov 2025140.8719.2603.960.260.530.150205.78
09 Nov 2025138.1619.8403.910.290.540.080216.34
08 Nov 2025135.0819.81.213.410.260.530.070213.64
07 Nov 2025135.7419.463.44.110.260.540.10206.91
06 Nov 2025133.0119.730.953.760.310.540.10196.18
05 Nov 2025133.1718.30.943.620.330.550.110188.04
04 Nov 2025129.6919.691.264.070.190.530.140214.83
03 Nov 2025128.5519.790.344.5900.520.110216.8
02 Nov 2025150.1119.9804.150.010.520.10.3215.86
01 Nov 2025147.5819.530.353.8800.530.160.29211.02
31 Oct 2025146.7619.133.914.1900.550.150.33214.3
30 Oct 2025144.7419.291.144.5100.530.060.29205.51
29 Oct 2025146.4419.361.414.9600.520.060.27205.59
28 Oct 2025148.9619.440.424.8400.520.080.32151.06
27 Oct 2025138.2719.821.615.090.050.510.080.3491.8
26 Oct 2025134.1619.4104.690.090.50.060.326.71
25 Oct 2025138.4819.8104.590.290.50.110.3828.68

Secondary Emissions data for the past 90 days

Date Oxides of nitrogenSulphur dioxideCarbon monoxideHydrogen ChlorideVOCsParticulatesAmmoniaHydrogen FluorideElectricity exported
19 Jan 202600000000202.09
18 Jan 202600000000207.75
17 Jan 202600000000203.41
16 Jan 202600000000197.62
15 Jan 202600000000207.41
14 Jan 202600000000198.47
13 Jan 202600000000171.29
12 Jan 202600000000180
11 Jan 202600000000180.6
10 Jan 202600000000185.23
09 Jan 202600000000195.31
08 Jan 202600000000205.53
07 Jan 202600000000192.67
06 Jan 202600000000182.49
05 Jan 202600000000201.03
04 Jan 202600000000205.49
03 Jan 202600000000206.47
02 Jan 202600000000205.08
01 Jan 202600000000202.98
31 Dec 202500000000203.1
30 Dec 202500000000201.68
29 Dec 202500000000201.51
28 Dec 202500000000208.53
27 Dec 202500000000202.98
26 Dec 202500000000202.99
25 Dec 202500000000200.59
24 Dec 202500000000203.03
23 Dec 202500000000200.67
22 Dec 202500000000204.21
21 Dec 202500000000203.65
20 Dec 202500000000195.61
19 Dec 202500000000194.68
18 Dec 202500000000200.52
17 Dec 202500000000184.32
07 Dec 202500000000188.77
06 Dec 202500000000155.72
05 Dec 202500000000164.72
04 Dec 202500000000168.47
03 Dec 202500000000167.35
02 Dec 202500000000175.21
01 Dec 202500000000185.3
30 Nov 202500000000187.99
29 Nov 202500000000189.89
28 Nov 202500000000196.23
27 Nov 202500000000115.07
26 Nov 2025000000000
25 Nov 2025000000000
24 Nov 2025000000000
23 Nov 2025000000000
22 Nov 20250000000067.37
21 Nov 202500000000203.59
20 Nov 202500000000200.99
19 Nov 202500000000199.78
18 Nov 202500000000208.65
17 Nov 202500000000213.18
16 Nov 202500000000214.5
15 Nov 202500000000212.33
14 Nov 202500000000200.07
13 Nov 202500000000211.29
12 Nov 202500000000200.49
11 Nov 202500000000208.69
10 Nov 202500000000205.78
09 Nov 202500000000216.34
08 Nov 202500000000213.64
07 Nov 202500000000206.91
06 Nov 202500000000196.18
05 Nov 202500000000188.04
04 Nov 202500000000214.83
03 Nov 202500000000216.8
02 Nov 202500000000215.86
01 Nov 202500000000211.02
31 Oct 202500000000214.3
30 Oct 202500000000205.51
29 Oct 202500000000205.59
28 Oct 202500000000151.06
27 Oct 20250000000091.8
26 Oct 2025000000006.71
25 Oct 20250000000028.68

Licence Limits

Emission Licence Limit
Oxides of nitrogen180.00 (mg/M³)
Sulphur dioxide40.00 (mg/M³)
Carbon monoxide50.00 (mg/M³)
Hydrogen Chloride8.00 (mg/M³)
VOCs10.00 (mg/M³)
Particulates5.00 (mg/M³)
Ammonia10.00 (mg/M³)
Hydrogen Fluoride1.00 (mg/M³)

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