NOx,
1000 tonnes

Public electricity and heat prod.

Petroleum refining

Oil and gas extraction

Manufacturing industries and construction

Commercial / Institutional

Residential

Agriculture / Forestry / Fishing

Total

1990

90.755

1.386

2.301

14.523

1.455

4.827

1.620

116.867

1991

132.052

1.569

2.356

16.441

1.389

5.130

1.726

160.662

1992

91.078

1.868

2.712

16.581

1.407

4.799

1.647

120.091

1993

94.220

1.948

2.742

16.452

1.471

5.342

1.574

123.749

1994

98.356

1.917

3.023

16.148

1.433

4.946

1.610

127.432

1995

83.518

1.999

3.228

16.116

1.575

4.910

1.767

113.112

1996

120.212

2.400

3.830

16.988

1.653

5.155

1.982

152.219

1997

78.832

1.903

4.993

16.599

1.676

4.784

1.983

110.770

1998

64.001

1.573

5.546

17.244

1.573

4.626

2.005

96.569

1999

51.873

1.866

6.041

16.359

1.632

4.483

1.930

84.184

2000

42.791

1.674

6.429

16.722

1.375

4.275

1.817

75.082

2001

42.688

1.761

6.261

16.639

1.240

4.569

1.672

74.830

2002

44.243

1.636

6.712

14.933

1.211

4.438

1.654

74.826

2003

54.973

1.525

6.712

14.212

1.378

4.567

1.621

84.989

2004

43.415

1.395

6.922

14.433

1.104

4.560

1.578

73.406

2005

37.780

1.288

7.118

13.795

1.052

4.759

1.485

67.277

2006

41.989

1.522

7.259

13.564

1.119

4.818

1.312

71.583

2007

33.303

1.477

7.162

12.115

0.983

5.014

1.142

61.196

2008

24.437

1.366

7.338

10.325

0.994

4.873

1.080

50.413

2009

20.034

1.578

6.904

7.906

0.952

4.823

0.995

43.192

2010

18.980

1.544

6.790

6.864

0.920

5.104

1.029

41.231

2011

16.560

1.296

6.134

6.301

0.707

4.468

1.006

36.471

2012

14.074

1.353

5.680

5.427

0.735

4.238

0.880

32.386

2013

13.500

1.083

5.093

4.916

0.762

4.223

0.834

30.411

2014

11.063

1.082

4.764

4.756

0.637

3.834

0.712

26.848

2015

10.100

1.153

5.007

4.984

0.665

4.265

0.707

26.882

2016

11.047

1.055

4.765

5.405

0.696

4.433

0.723

28.124

2017

11.685

1.038

4.397

5.818

0.711

4.226

0.663

28.538

2018

11.351

0.988

4.193

5.982

0.699

4.029

0.704

27.946

2019

10.557

1.022

4.187

5.735

0.625

3.767

0.641

26.533

2020

9.671

0.958

3.112

5.898

0.619

3.512

0.605

24.375

2021

11.061

1.034

3.121

6.049

0.690

3.564

0.687

26.207

2022

10.147

1.108

2.893

6.003

0.513

2.884

0.716

24.263

2023

9.873

1.008

3.104

5.222

0.490

2.979

0.661

23.339

2024

9.570

0.898

3.245

4.951

0.469

2.769

0.576

22.479

Updated 16-03-2026