AQI PM2.5 PM10 CO SO2 NO2 O3

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Hong Kong Island Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Hong Kong

Last Updated: 2025-06-03 07:54:44 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 28 µg/m³

PM2.5 : 15 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

29 °C

Last Updated: 2025-06-03 07:54:44 AM (Local Time)

Map

Hong Kong Island

Major Air Pollutants
Hong Kong Island

Particulate Matter(PM2.5)

15µg/m³

Particulate Matter(PM10)

28µg/m³

Carbon Monoxide(CO)

418ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

19ppb

Ozone(O3)

28ppb

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AQI Graph

Historical Air Quality Data
Hong Kong Island

24 Hours

AQI

Hong Kong Island

Want air quality data?

AQI Trends - Annual Air Quality Changes
Hong Kong Island, Hong Kong, China

AQI

Year

AQI

Annual AQI Trends

2020

54AQI

2021

60AQI

11%

Rise

2022

59AQI

-2%

Fall

2023

60AQI

Rise

2024

60AQI

No Change

2025

71AQI

18%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 2022123AQI

Least PollutedJuly, 202027AQI

* This data analysis is from year 2020 - 2025

Hong Kong Island's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Causeway Bay

Moderate

Sai Wan Ho

Moderate

Sai Ying Pun

Moderate

Wan Chai

Moderate

China's Metro Cities
Air Quality Index

Beijing

121

Chengdu

Chongqing

Dongguan

Guangzhou

Shanghai

Shenyang

Shenzhen

Air Quality Calendar 2025
Hong Kong Island

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 111	2 Jan 137	3 Jan 104	4 Jan 106
5 Jan 101	6 Jan 103	7 Jan 92	8 Jan 102	9 Jan 107	10 Jan 85	11 Jan 94
12 Jan 70	13 Jan 75	14 Jan 70	15 Jan 82	16 Jan 111	17 Jan 89	18 Jan 100
19 Jan 93	20 Jan 92	21 Jan 87	22 Jan 87	23 Jan 79	24 Jan 70	25 Jan 62
26 Jan 55	27 Jan 58	28 Jan 59	29 Jan 85	30 Jan 63	31 Jan 64	1 Feb 53

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 55	27 Jan 58	28 Jan 59	29 Jan 85	30 Jan 63	31 Jan 64	1 Feb 53
2 Feb 59	3 Feb 42	4 Feb 50	5 Feb 76	6 Feb 65	7 Feb 63	8 Feb 66
9 Feb 59	10 Feb 61	11 Feb 60	12 Feb 57	13 Feb 85	14 Feb 82	15 Feb 82
16 Feb 116	17 Feb 89	18 Feb 123	19 Feb 75	20 Feb 86	21 Feb 81	22 Feb 72
23 Feb 56	24 Feb 59	25 Feb 83	26 Feb 92	27 Feb 78	28 Feb 75	1 Mar 74

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 56	24 Feb 59	25 Feb 83	26 Feb 92	27 Feb 78	28 Feb 75	1 Mar 74
2 Mar 67	3 Mar 63	4 Mar 60	5 Mar 51	6 Mar 47	7 Mar 55	8 Mar 63
9 Mar 64	10 Mar 69	11 Mar 69	12 Mar 64	13 Mar 72	14 Mar 66	15 Mar 58
16 Mar 46	17 Mar 73	18 Mar 67	19 Mar 74	20 Mar 76	21 Mar 79	22 Mar 75
23 Mar 77	24 Mar 81	25 Mar 76	26 Mar 63	27 Mar 63	28 Mar 68	29 Mar 50
30 Mar 44	31 Mar 44	1 Apr 53	2 Apr 54	3 Apr 61	4 Apr 63	5 Apr 64

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 44	31 Mar 44	1 Apr 53	2 Apr 54	3 Apr 61	4 Apr 63	5 Apr 64
6 Apr 74	7 Apr 75	8 Apr 83	9 Apr 72	10 Apr 71	11 Apr 66	12 Apr 62
13 Apr 126	14 Apr 132	15 Apr 132	16 Apr 104	17 Apr 89	18 Apr 76	19 Apr 65
20 Apr 61	21 Apr 58	22 Apr 61	23 Apr 56	24 Apr 52	25 Apr 59	26 Apr 54
27 Apr 64	28 Apr 73	29 Apr 66	30 Apr 75	1 May 69	2 May 79	3 May 84

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 64	28 Apr 73	29 Apr 66	30 Apr 75	1 May 69	2 May 79	3 May 84
4 May 67	5 May 63	6 May 57	7 May 56	8 May 64	9 May 53	10 May 64
11 May 58	12 May 62	13 May 65	14 May 59	15 May 52	16 May 46	17 May 43
18 May 44	19 May 48	20 May 42	21 May 49	22 May 44	23 May 47	24 May 52
25 May 69	26 May 66	27 May 72	28 May 61	29 May 61	30 May 49	31 May 63

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 64	2 Jun -	3 Jun -	4 Jun -	5 Jun -	6 Jun -	7 Jun -
8 Jun -	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Hong Kong Island

0Cigarettes per day

Weekly 0 Cigarettes

Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Hong Kong Island

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.

Most Polluted Cities 2025
China

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Aksu, China

Hotan, China

Kashgar, China

Hengshui, China

Baoding, China

Anguo, China

Beijing, China

Langfang, China

Dengtalu, China

10.

Renqiu, China

Poor

8xabove Standard

Last Updated: 03 Jun 2025, 12:02 AM

AQI City Rankings

Air Quality Solutions For Hong Kong Island
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Hong Kong Island

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Hong Kong Island

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Hong Kong Island

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Hong Kong Island

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Hong Kong Island's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

aqi air quality app for Hong Kong Island

Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Hong Kong Island

Frequently Asked Questions About Air Quality

What is the current AQI level in Hong Kong Island?

The current real-time AQI level in Hong Kong Island is 62 (Moderate). This was last updated 2025-06-03 07:54:44 AM (Local Time).

When was the best AQI level in Hong Kong Island in the last 24 hours?

The best AQI level was 49 (Good) at 9:09 AM, Jun 2, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Hong Kong Island in the last 24 hours?

The worst AQI level was 62 (Moderate) at 3:09 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Hong Kong Island during last 24 hours?

The AQI levels in Hong Kong Island have been fluctuating throughout the last 24 hours. The levels have increased by highest 62 at 3:09 AM (Local Time), lowest 49 at 9:09 AM, Jun 2, 2025 (Local Time).

What actions are recommended as per the current AQI level in Hong Kong Island?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.