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Air quality in Hong Kong
Air quality index (AQI) and PM2.5 air pollution in Hong Kong
677.2K people follow this city
Hong Kong Air Quality Map
Real-time Hong Kong air pollution map
AIR QUALITY DATA CONTRIBUTORS
6 Contributors
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Weather
What is the current weather in Hong Kong?
| Weather | Clear sky |
| Temperature | 75.2°F |
| Humidity | 75% |
| Wind | 8 mp/h |
| Pressure | 29.9 Hg |
Air pollution has cost an estimated3,300 deaths*in Hong Kong in 2024Find out more*Air pollution also cost approximately $1,500,000,000 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 | 73 |
(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 | Tuen Mun Public Library | 86 |
| 2 | Tseung Kwan O | 83 |
| 3 | Causeway Bay | 81 |
| 4 | Home Affairs Department Yuen Long Public Enquiry Service Center | 79 |
| 5 | Tai Po Government Offices Building | 77 |
| 6 | Tsuen Wan | 77 |
| 7 | Kwai Chung Police Station | 76 |
| 8 | Tap Mun Police Post | 76 |
| 9 | Central | 75 |
| 10 | Peninsula Vill - Discovery Bay | 75 |
(local time)
SEE WORLD AQI RANKING
US AQI
73
live AQI index
Moderate
Overview
What is the current air quality in Hong Kong?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 73 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 21µg/m³ | |
| PM10 | 46µg/m³ | |
| O3 | 160.7µg/m³ | |
| NO2 | 25.9µg/m³ | |
| SO2 | 2.1µg/m³ | |
| CO | 421.4µg/m³ | |
!
PM2.5
x4.2
PM2.5 concentration in Hong Kong is currently 4.2 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 |
|---|---|---|---|---|
| Tuesday, May 14 | Moderate 54 AQI US |  | 77° 73.4° |  15.7 mp/h |
| Wednesday, May 15 | Moderate 60 AQI US |  | 77° 73.4° | 11.2 mp/h |
| Thursday, May 16 | Moderate 72 AQI US | | 77° 73.4° | 22.4 mp/h |
| Today | Moderate 73 AQI US | | 77° 73.4° | 22.4 mp/h |
| Saturday, May 18 | Moderate 64 AQI US | | 77° 73.4° | 15.7 mp/h |
| Sunday, May 19 | Moderate 73 AQI US |  100% | 75.2° 69.8° | 15.7 mp/h |
| Monday, May 20 | Moderate 66 AQI US | 100% | 71.6° 68° | 22.4 mp/h |
| Tuesday, May 21 | Moderate 62 AQI US | 100% | 73.4° 71.6° | 20.1 mp/h |
| Wednesday, May 22 | Moderate 70 AQI US | 100% | 77° 73.4° | 17.9 mp/h |
| Thursday, May 23 | Moderate 67 AQI US | 30% | 78.8° 75.2° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Hong Kong air quality data attribution
6Contributors
Government Contributor
- 👾
1 station
- Ben
1 station
- Christian Fischer
1 station
- Mystmob
1 station
- Axel
1 station
5 Individual Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Hong Kong?
- Southern 64
- Pak Lam Road 66
- Central/Western 67
- Tung Chung Health Centre 70
- Eastern 71
- LAMMA AIR 71
- Sha Tin Government Secondary School 71
- Sham Shui Po Police Station 71
- TKO MONTEREY 71
- Kwun Tong 73
- Tan Cheung Road 73
- Mong Kok 74
- Central 75
- Peninsula Vill - Discovery Bay 75
- Kwai Chung Police Station 76
- Tap Mun Police Post 76
- Tai Po Government Offices Building 77
- Tsuen Wan 77
- Home Affairs Department Yuen Long Public Enquiry Service Center 79
- Causeway Bay 81
- Tseung Kwan O 83
- Tuen Mun Public Library 86
AQI US, Metric