Get a monitor and contributor to air quality data in your city.
Sign in
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Hong Kong
Air quality index (AQI) and PM2.5 air pollution in Hong Kong
705.1K people follow this city
Hong Kong Air Quality Map
Real-time Hong Kong air pollution map
AIR QUALITY DATA CONTRIBUTORS
5 Contributors
See all
Weather
What is the current weather in Hong Kong?
| Weather | Broken clouds |
| Temperature | 87.8°F |
| Humidity | 79% |
| Wind | 11 mp/h |
| Pressure | 29.4 Hg |
Air pollution has cost an estimated4,000 deaths*in Hong Kong in 2024Find out more*Air pollution also cost approximately $1,900,000,000 USD in Hong Kong in 2024.
live aqi city ranking
Real-time Hong Kong SAR city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hong Kong, Hong Kong SAR | 86 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Hong Kong aqi ranking
Real-time Hong Kong air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Causeway Bay | 112 |
| 2 | Mong Kok | 107 |
| 3 | Southern | 102 |
| 4 | Tuen Mun Public Library | 96 |
| 5 | Central | 92 |
| 6 | Sham Shui Po Police Station | 92 |
| 7 | Kwai Chung Police Station | 90 |
| 8 | Kwun Tong | 88 |
| 9 | Tsuen Wan | 88 |
| 10 | Home Affairs Department Yuen Long Public Enquiry Service Center | 86 |
(local time)
SEE WORLD AQI RANKING
US AQI
86
live AQI index
Moderate
Overview
What is the current air quality in Hong Kong?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 86 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 28µg/m³ | |
| PM10 | 41.9µg/m³ | |
| O3 | 145.4µg/m³ | |
| NO2 | 57.6µg/m³ | |
| SO2 | 4.7µg/m³ | |
| CO | 509.5µg/m³ | |
!
PM2.5
x5.6
PM2.5 concentration in Hong Kong is currently 5.6 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Hong Kong?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Hong Kong air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Jul 21 | Good 31 AQI US  |  | 86° 82.4° |  13.4 mp/h |
| Monday, Jul 22 | Good 28 AQI US | | 86° 82.4° | 11.2 mp/h |
| Tuesday, Jul 23 | Good 41 AQI US | | 86° 82.4° | 11.2 mp/h |
| Today | Moderate 86 AQI US | 30% | 87.8° 82.4° | 13.4 mp/h |
| Thursday, Jul 25 | Moderate 68 AQI US | 40% | 86° 84.2° | 26.8 mp/h |
| Friday, Jul 26 | Moderate 62 AQI US | 40% | 84.2° 82.4° | 24.6 mp/h |
| Saturday, Jul 27 | Moderate 62 AQI US | 90% | 84.2° 82.4° | 13.4 mp/h |
| Sunday, Jul 28 | Moderate 62 AQI US | 100% | 82.4° 80.6° | 8.9 mp/h |
| Monday, Jul 29 | Moderate 63 AQI US | 100% | 80.6° 78.8° | 8.9 mp/h |
| Tuesday, Jul 30 | Moderate 68 AQI US | 100% | 84.2° 80.6° | 15.7 mp/h |
Interested in hourly forecast? Get the app
How to best protect from air pollution?
Hong Kong air quality data attribution
5Contributors
Government Contributor
- Ben
1 station
- Christian Fischer
1 station
- Mystmob
1 station
- Axel
1 station
4 Individual Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Hong Kong?
- Peninsula Vill - Discovery Bay 56
- TKO MONTEREY 58
- Tap Mun Police Post 60
- Pak Lam Road 64
- Tan Cheung Road 66
- Tseung Kwan O 75
- Tung Chung Health Centre 75
- Eastern 81
- Sha Tin Government Secondary School 81
- Tai Po Government Offices Building 81
- Central/Western 84
- Home Affairs Department Yuen Long Public Enquiry Service Center 86
- Kwun Tong 88
- Tsuen Wan 88
- Kwai Chung Police Station 90
- Central 92
- Sham Shui Po Police Station 92
- Tuen Mun Public Library 96
- Southern 102
- Mong Kok 107
- Causeway Bay 112
AQI US, Metric