Live

Hong Kong Air Quality Index (AQI) | Air Pollution

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

Last Updated: 11 minutes ago (Local Time)

location image
Live AQI
48(AQI-US)
Air Quality is
Good
pm10 :  20 µg/m³
PM2.5 :  9 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Hong Kong


Map

Hong Kong

Major Air Pollutants

Hong Kong

AQI Graph

Historical Air Quality Data

Hong Kong

Hong Kong
AQI
.
04-08-2025Time05-08-2025
31
Min.at 8:09 AM on 5th Aug
60
Max.at 8:09 PM on 4th Aug

Download 2024 Annual Data

World Air Quality Report

Globe

Hong Kong's Cities

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
54
11
25
27
92
Good
42
8
20
27
84
Good
49
9
17
27
93
Moderate
52
10
14
27
92
Moderate
52
9
15
27
92
Moderate
52
10
20
27
92
Moderate
52
10
25
27
91
Moderate
51
9
15
26
92
Good
48
10
23
28
86

China's Metro Cities

Air Quality Index

Health Advice For People Living In

Hong Kong

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

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable


As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Hong Kong

  • asthma due to air pollution in Hong KongAsthma
  • heart due to air pollution in Hong KongHeart Issues
  • allergy due to air pollution in Hong KongAllergies
  • sinus due to air pollution in Hong KongSinus
  • flu due to air pollution in Hong KongCold/Flu
  • copd due to air pollution in Hong KongChronic (COPD)
asthma due to air pollution in Hong Kong

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

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 2025

China

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

Hong Kong's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Hong Kong
Mobile App

Empower Your Decisions with Reliable Data

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

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


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Hong Kong

Frequently Asked Questions About Air Quality

What is the current AQI level in Hong Kong?

The current real-time AQI level in Hong Kong is 48 (Good) due to recent rainfall by 0.63mm/hr. This was last updated 11 minutes ago (Local Time).

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

The best AQI level was 31 (Good) at 8:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 60 (Moderate) at 8:09 PM, Aug 4, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Hong Kong have been fluctuating throughout the last 24 hours. The levels have increased by highest 60 at 8:09 PM, Aug 4, 2025 (Local Time), lowest 31 at 8:09 AM (Local Time).

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

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