Primary Pollutant

Aqi Boy Image

Last Updated: 35 minutes ago

42

(AQI-IN)

62

(AQI-US)

Aqi Boy Image Aqi Boy Image Aqi Boy Image

Pollutants

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Pm 2.5 icon
17 (PM 2.5)
Pm 10 icon
29 (PM 10)
Sulphur Dioxide Icon
1 (SO2)
Ozone icon
37 (Ozone)
Nitrogen Dioxide Icon
24 (NO2)
Air Pollution Level in Hong Kong
LOCATIONS Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
MODERATE 62 62 42 17 29 27 59
Big Cities of Hong Kong


Historical Data

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Best

Oct 1, 2020

Worst

Oct 1, 2020

0

Historic air quality index graph of Hong Kong





How do we calculate Air Quality Index ?

Air Quality Index (AQI) is a numerical value indicative of the aggregate levels of major pollutants in the ambient air. The more the AQI value, the more polluted the ambient air. It is descriptive of the magnitude of air pollution at a particular location.


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Air Quality Solutions in Hong Kong

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FAQs

(Frequently Asked Questions)


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The real-time AQI in Hong Kong is 62 (MODERATE). This reading was last taken 35 minutes ago .

The current concentration of PM2.5 in Hong Kong is 17 (µg/m³). The World Health Organisation (WHO) recommends 25 µg/m³ as the threshold concentration of PM2.5. Currently, the concentration is 0.68 times the recommended limit.

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