WorldArrow iconHong Kong SAR

Air quality in Hong Kong SAR

Air quality index (AQI⁺) and PM2.5 air pollution in Hong Kong SAR • 04:01, Sep 14

Live most polluted city ranking

Real-time Hong Kong SAR most polluted city ranking

#CitiesAQI⁺ US
1
Hong Kong SAR's country flag

Hong Kong

25

2024 Hong Kong SAR most polluted city

Hong Kong, Hong Kong SAR

65

Live cleanest city ranking

Real-time Hong Kong SAR cleanest city ranking

#CitiesAQI⁺ US
1
Hong Kong SAR's country flag

Hong Kong

25

2024 Hong Kong SAR cleanest city

Tai Po, Tai Po

59

2024 country air quality average

How polluted is Hong Kong SAR?

IQAir exclamation icon

PM2.5 concentration is currently 3.3 times the World Health Organization annual PM2.5 guideline value.

2024 AQI⁺ country ranking

Which country had the worst air quality in 2024?

#CountryPopulationAQI⁺ US
1
Hong Kong SAR's country flag

Chad

17,179,740

176

2
Hong Kong SAR's country flag

Bangladesh

169,356,251

167

3
Hong Kong SAR's country flag

Pakistan

231,402,117

164

4
Hong Kong SAR's country flag

Democratic Republic of the Congo

95,894,118

153

5
Hong Kong SAR's country flag

India

1,407,563,842

138

6
Hong Kong SAR's country flag

Tajikistan

9,750,064

128

7
Hong Kong SAR's country flag

Nepal

30,034,989

119

8
Hong Kong SAR's country flag

Uganda

45,853,778

115

9
Hong Kong SAR's country flag

Rwanda

13,461,888

114

10
Hong Kong SAR's country flag

Burundi

14,047,800

113

63
Hong Kong SAR's country flag

Hong Kong SAR

7,413,100

64

Worldwide PM2.5 ranking

2024 Hong Kong SAR global rank in air pollution

63/138

Wildfire in mountains.
external link icon

Wildfire Map Spotlight: Crown Creek and Blackhawk Mountain Fires, Washington

Wildfire in mountains
external link icon

Wildfire Map Spotlight: Lower Sugarloaf Fire, Washington

Smoky skies over a forest
external link icon

Wildfire Map Spotlight: Rattlesnake and Lynx Mountain Fires, Washington

Which is the most polluted state in Hong Kong SAR?