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

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

Last Updated: 2026-08-18 15:21 (Local Time)

Live AQI

37AQI (US)

Air Quality is

Good

PM2.5 : 9 µg/m³

pm10 : 17 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

29 °C

Last Updated: 2026-08-18 15:21 (Local Time)

Presently, Hong Kong Island ranks for having the good air quality among cities worldwide.

Map

Hong Kong Island

Major Air Pollutants
Hong Kong Island

Particulate Matter(PM₂.₅)

9µg/m³

Particulate Matter(PM₁₀)

17µg/m³

Carbon Monoxide(CO)

216ppb

Sulfur Dioxide(SO₂)

1ppb

Nitrogen Dioxide(NO₂)

20ppb

Ozone(O₃)

20ppb

AQI Graph

Historical Air Quality Data
Hong Kong Island

24 Hours

AQI (US)

Hong Kong Island

AQI (US)

17-08-2026Time18-08-2026

Time	Hong Kong Island
3:31pm	74
4:01pm	69
4:31pm	70
5:01pm	71
5:31pm	65
6:01pm	64
6:31pm	64
7:01pm	66
7:31pm	75
8:01pm	76
8:31pm	70
9:01pm	69
9:31pm	70
10:01pm	71
10:31pm	78
11:01pm	80
11:31pm	79
12:01am	79
12:31am	75
1:01am	75
1:31am	74
2:01am	74
2:31am	76
3:01am	78
3:31am	72
4:01am	74
4:31am	68
5:01am	67
5:31am	68
6:01am	60
6:31am	62
7:01am	60
7:31am	55
8:01am	57
8:31am	55
9:01am	55
9:31am	26
10:01am	27
10:31am	32
11:01am	32
11:31am	38
12:01pm	40
12:31pm	41
1:01pm	41
1:31pm	39
2:01pm	40
2:31pm	37
3:01pm	38
3:31pm	37

Min. AQI (US)9:31am

Max. AQI (US)11:01pm

Want air quality data?

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

AQI (US)

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

locations

Status

AQI (US)

PM₂.₅(µg/m³)

PM₁₀(µg/m³)

Temp.(°C)

Humi.(%)

Moderate

Good

Good

Good

China's Metro Cities
Air Quality Index

Chengdu

temp.18°C

hum.98%

Chongqing

102

Dongguan

Guangzhou

Shanghai

Shenzhen

Tianjin

Wuhan

Air Quality Calendar 2026
Hong Kong Island

2026

AQI (US)

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

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI (US)

Air PurifierTurn Off

Car FilterAdvisable

N95 MaskAdvisable

Stay IndoorAdvisable

Prevent Health Problems: Understand Your Risks

Hong Kong Island

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2026
China

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

Most Polluted Cities Live Ranking 2026

World's Most PollutedCity Rankings (2025)

World's Most PollutedCountry Rankings(2025)

RankCityAQI Status

Standard Value

Linfen, Shanxi

Poor

3xabove Standard

Kashgar, Xinjiang

Poor

3xabove Standard

Turpan, Xinjiang

Poor

3xabove Standard

Zhengzhou, Henan

Poor

3xabove Standard

Chenzhou, Hunan

Poor

3xabove Standard

Pingdingshan, Henan

Poor

2xabove Standard

Chongqing, Chongqing

Poor

2xabove Standard

Taiyuan, Shanxi

Poor

2xabove Standard

Luohe, Henan

Moderate

2xabove Standard

10.

Hebi, Henan

Moderate

2xabove Standard

Last Updated: 18 Aug 2026, 07:33 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

Prana Air offers the solutions of air quality monitoring and clean air machine 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 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.

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 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

Air Quality FAQs
at Hong Kong Island

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Hong Kong Island?

The current real-time AQI (US) level in Hong Kong Island is 37 (Good). This was last updated 2026-08-18 15:21 (Local Time).

2. When was the best AQI (US) level in Hong Kong Island in the last 24 hours?

The best AQI (US) level was 26 (Good) at 9:31 AM (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Hong Kong Island in the last 24 hours?

The worst AQI (US) level was 80 (Moderate) at 11:01 PM, Aug 17, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Hong Kong Island during last 24 hours?

The AQI (US) levels in Hong Kong Island have been fluctuating throughout the last 24 hours. The levels have increased by highest 80 at 11:01 PM, Aug 17, 2026 (Local Time), lowest 26 at 9:31 AM (Local Time).

5. What actions are recommended as per the current AQI (US) level in Hong Kong Island?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.