Cleaner generation

We are proud to supply Hong Kong with world-class electricity in terms of reliability and quality through best-in-class technologies and advanced emissions controls.

Year 2025

Annual report

Air Quality Monitoring Station

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2024

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2023

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2022

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2021

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2020

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2019

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2018

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2017

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Year 2016

Butterfly Estate

Lau Fau Shan

Lung Kwu Tan

Tuen Mun Clinic

Tin Shui Wai

Q1 2024

kT

0.006

0.513

0.024

Q2 2024

kT

0.011

0.604

0.035

Q3 2024

kT

0.019

0.543

0.036

Q4 2024

kT

0.006

0.348

0.024

Q1 2023

kT

0.005

0.314

0.018

Q2 2023

kT

0.012

0.552

0.029

Q3 2023

kT

0.007

0.631

0.034

Q4 2023

kT

0.009

0.478

0.029

Q1 2022

kT

0.010

0.365

0.020

Q2 2022

kT

0.012

0.594

0.028

Q3 2022

kT

0.008

0.605

0.033

Q4 2022

kT

0.009

0.417

0.024

Q1 2021

kT

0.013

0.475

0.021

Q2 2021

kT

0.022

0.522

0.030

Q3 2021

kT

0.018

0.566

0.034

Q4 2021

kT

0.012

0.391

0.024

Q1 2020

kT

0.018

0.437

0.020

Q2 2020

kT

0.018

0.589

0.028

Q3 2020

kT

0.026

0.680

0.033

Q4 2020

kT

0.019

0.549

0.026

Q1 2019

kT

0.012

0.294

0.013

Q2 2019

kT

0.024

0.428

0.018

Q3 2019

kT

0.024

0.483

0.021

Q4 2019

kT

0.013

0.307

0.014

Q1 2018

kT

0.012

0.278

0.011

Q2 2018

kT

0.021

0.425

0.018

Q3 2018

kT

0.026

0.387

0.018

Q4 2018

kT

0.016

0.270

0.013

Q1 2017

kT

0.017

0.242

0.010

Q2 2017

kT

0.021

0.426

0.018

Q3 2017

kT

0.026

0.452

0.020

Q4 2017

kT

0.015

0.316

0.014

Q1 2016

kT

0.005

0.206

0.007

Q2 2016

kT

0.010

0.491

0.019

Q3 2016

kT

0.018

0.508

0.020

Q4 2016

kT

0.017

0.380

0.015

Q1 2024

kT

0.1

0.9

0.02

Q2 2024

kT

0.2

2.2

0.04

Q3 2024

kT

0.1

1.3

0.03

Q4 2024

kT

0.1

1.3

0.02

Q1 2023

kT

0.3

1.3

0.03

Q2 2023

kT

0.3

1.9

0.04

Q3 2023

kT

0.3

2.3

0.05

Q4 2023

kT

0.2

2.3

0.05

Q1 2022

kT

0.3

1.1

0.03

Q2 2022

kT

0.3

1.4

0.04

Q3 2022

kT

0.4

2.7

0.06

Q4 2022

kT

0.2

1.8

0.04

Q1 2021

kT

0.2

1.1

0.02

Q2 2021

kT

0.7

2.5

0.06

Q3 2021

kT

0.7

2.6

0.07

Q4 2021

kT

0.2

1.2

0.03

Q1 2020

kT

0.2

1.0

0.03

Q2 2020

kT

0.3

1.7

0.04

Q3 2020

kT

0.6

2.3

0.06

Q4 2020

kT

0.3

1.1

0.03

Q1 2019

kT

0.8

2.6

0.1

Q2 2019

kT

0.8

3.9

0.1

Q3 2019

kT

0.8

4.4

0.1

Q4 2019

kT

0.9

3.3

0.1

Q1 2018

kT

1.9

3.2

0.1

Q2 2018

kT

1.1

4.4

0.1

Q3 2018

kT

0.8

4.0

0.1

Q4 2018

kT

0.9

2.7

0.1

Q1 2017

kT

0.7

2.0

<0.1

Q2 2017

kT

1.0

2.7

<0.1

Q3 2017

kT

1.8

4.7

0.1

Q4 2017

kT

1.3

3.5

0.1

Q1 2016

kT

1.0

3.7

<0.1

Q2 2016

kT

1.5

4.1

0.1

Q3 2016

kT

1.4

4.0

0.1

Q4 2016

kT

1.3

3.5

0.1

Q1 2024

kT

<0.001

<0.001

<0.001

Q2 2024

kT

<0.001

0.001

<0.001

Q3 2024

kT

<0.001

<0.001

<0.001

Q4 2024

kT

<0.001

<0.001

<0.001

Q1 2023

kT

<0.001

<0.001

<0.001

Q2 2023

kT

<0.001

<0.001

<0.001

Q3 2023

kT

<0.001

<0.001

<0.001

Q4 2023

kT

<0.001

<0.001

<0.001

Q1 2022

kT

<0.001

<0.001

<0.001

Q2 2022

kT

<0.001

<0.001

<0.001

Q3 2022

kT

<0.001

<0.001

<0.001

Q4 2022

kT

<0.001

0.002

<0.001

Q1 2021

kT

<0.001

<0.001

<0.001

Q2 2021

kT

<0.001

<0.001

<0.001

Q3 2021

kT

<0.001

<0.001

<0.001

Q4 2021

kT

<0.001

<0.001

<0.001

Q1 2020

kT

<0.001

<0.001

<0.001

Q2 2020

kT

<0.001

0.001

<0.001

Q3 2020

kT

<0.001

<0.001

<0.001

Q4 2020

kT

<0.001

<0.001

<0.001

Q1 2019

kT

<0.001

<0.001

<0.001

Q2 2019

kT

<0.001

<0.001

<0.001

Q3 2019

kT

<0.001

<0.001

<0.001

Q4 2019

kT

<0.001

<0.001

<0.001

Q1 2018

kT

<0.001

<0.001

<0.001

Q2 2018

kT

<0.001

0.001

<0.001

Q3 2018

kT

<0.001

<0.001

<0.001

Q4 2018

kT

<0.001

<0.001

<0.001

Q1 2017

kT

<0.001

<0.001

<0.001

Q2 2017

kT

0

0

0

Q3 2017

kT

<0.001

<0.001

<0.001

Q4 2017

kT

<0.001

<0.001

<0.001

Q1 2016

kT

<0.001

<0.001

<0.001

Q2 2016

kT

<0.001

0.001

<0.001

Q3 2016

kT

<0.001

<0.001

<0.001

Q4 2016

kT

<0.001

0.001

<0.001

Back to top