Primary Pollutant

Hong Kong aqi air quality index status boy

Hong Kong Air Quality Index (AQI)

Real-time PM2.5, PM10 air pollution level

Last Update: 20 Jan 2022, 05:05pm

42

(AQI-IN)

68

(AQI-US)

Hong Kong MODERATE aqi boy Hong Kong MODERATE aqi boy Hong Kong MODERATE aqi boy

Major Air Pollutants

live rank icon
Hong Kong pm2.5 icon
20 (PM2.5)
Hong Kong pm 10 icon
33 (PM10)
Hong Kong so2 sulphur dioxide icon
2 (SO2)
Hong Kong o3 ozone icon
32 (Ozone)
Hong Kong no2 nitrogen dioxide icon
24 (NO2)

Current Air Pollution Level in Hong Kong

STATES Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
MODERATE 68 68 42 20 33 19 62

Current AQI in Metro Cities of Hong Kong



Historic Air Quality Graph of Hong Kong

Best

Oct 1, 2020

Worst

Oct 1, 2020

0

Explore an insightful air pollution data for last 24 hrs & 7 days





FAQs of Hong Kong's Air Quality

(Frequently Asked Questions)


Some facts about air pollution level in Hong Kong and what quality of air you breathe in your region.


The current Air Quality Index (AQI) in Hong Kong is 42 MODERATE air quality. This reading was last taken 1 hour ago .

The current concentration of PM2.5 in Hong Kong is 20 (µg/m³). The World Health Organisation (WHO) recommends 25 µg/m³ as the threshold concentration of PM2.5. Currently, the concentration is 0.80 times the recommended limit. 0.80

Generally, the air quality at Hong Kong starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.

You should wear a good N95 mask when you go outdoor in Hong Kong until the AQI is improving upto moderate range.

Office going people should avoid personal vehicles and use public transportations or carpooling.

(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.

(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.

Indoor air pollution in Hong Kong is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.

In Hong Kong, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in Hong Kong is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.



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Air Quality Solutions in Hong Kong

Find out Prana Air's clean air quality products & solutions to fight air pollution in your region.



prana air fresh air machine for Hong Kong





Keep a track of Hong Kong air pollution
level on “AQI Air Quality App

Know what you breathe and the quality of air nearby locations. Real-time AQI, map, weather & fire data, health advice with insightful dasbboards.

Hong Kong aqi air quality mobile app