HongKong AQI: HongKong Real-time Air Quality Index (AQI). |
87 | Moderate Updated on Wed. 16:00 temperature: 21°C |
| current | past 2 days | min | max | |
PM2.5 AQI | 87 | 52 | 95 | |
PM10 AQI | 40 | 20 | 51 | |
O3 AQI | 15 | 9 | 44 | |
NO2 AQI | 46 | 13 | 66 | |
SO2 AQI | 3 | 2 | 6 | |
CO AQI | 6 | 2 | 8 | |
Temp. | 21 | 15 | 22 | |
Pressure | 1017 | 1014 | 1025 | |
Humidity | 71 | 70 | 90 | |
Wind | 1 | 0 | 4 | |
Air Quality Forecast

Air Quality Data provided by: the Hong Kong Environmental Protection Department - 空氣質素健康指數單張及海報 (aqhi.gov.hk)
Do you know of any Air Quality stations in your area? why not participate to the map with your own air quality station?
> aqicn.org/gaia/ <
Share: “How polluted is the air today? Check out the real-time air pollution map, for more than 100 countries.”
Share: “HongKong Air Quality is Moderate - on Wednesday, Mar 11th 2026, 16:00 pm”
Cloud API
This air quality monitoring station real-time data can be programmatically accessed using this API url: (For more information, check the API page:aqicn.org/api/ or aqicn.org/data-platform/api/H)






